user: You are a structured reasoning expert tasked with solving problems step by step. 
You first think about the reasoning process in the mind and then provide the answer. The reasoning process and answer should be enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answer here </answer>. 
Given a question and the associated knowledge graph triplets (entity, relation, entity), you are asked to answer the question with these triplets and your own knowledge. 
You can break down the original question into several sub-questions and explore the given knowledge graph to solve them step-by-step. If there are multiple possible answers, choose one as the final answer. 
After thinking, when you finally reach a conclusion, clearly state the answer within <answer> </answer> tags, i.e., <answer> answer here </answer>. 
Question: What war in which one of the combatant countries was Poland, occurred while Woodrow Wilson was president? 
Knowledge Triplets: m.04ywvjz, military.military_combatant_group.combatants, Poland
Poland, location.location.events, Lvov–Sandomierz Offensive
Poland, location.location.events, Polish–Teutonic War
Battle of Lasy Królewskie, base.culturalevent.event.entity_involved, Poland
Soviet westward offensive of 1918–19, time.event.locations, Poland
Poland, military.military_combatant.military_conflicts, m.04z1ky6
Poland, military.military_combatant.military_conflicts, m.04yzvy6
m.04yv041, military.military_combatant_group.conflict, War of the Polish Succession
m.059bdhp, military.military_combatant_group.combatants, Poland
Woodrow Wilson, book.author.works_written, President Wilson on the United States and Latin America
m.04yx7dv, military.military_combatant_group.combatants, Poland
Poland, military.military_combatant.military_conflicts, m.04m32mh
Woodrow Wilson, people.person.quotations, It must be peace without victory; only a peace between equals can last.
United States of America, book.written_work.subjects, Woodrow Wilson
Poland, military.military_combatant.military_conflicts, m.04y_7lr
Poland, location.location.events, Polish–Swedish wars
Polish–Ukrainian War, time.event.locations, Poland
Poland, military.military_combatant.military_conflicts, m.04yw0hm
m.04m1r_b, military.military_combatant_group.combatants, Poland
Slovak invasion of Poland, time.event.locations, Second Polish Republic
Military Conflict, common.topic.notable_types, World War I
Great Retreat, time.event.included_in_event, World War I
Poland, military.military_combatant.military_conflicts, m.04yz1mz
President Wilson on the United States and Latin America, book.written_work.author, Woodrow Wilson
Poland, military.military_combatant.military_conflicts, m.04ywz2h
Poland, military.military_combatant.military_conflicts, m.04fvh2h
Poland, military.military_combatant.military_conflicts, m.04yx2fk
Poland, location.location.events, Russian Civil War
Poland, military.military_combatant.military_conflicts, m.09j0cvc
Poland, common.topic.webpage, m.0gyxm3y
Battle of Lwów, time.event.included_in_event, Invasion of Poland
m.059b7cc, military.military_command.military_combatant, Poland
m.0dl79fy, military.military_command.military_combatant, Poland
Poland, military.military_combatant.military_conflicts, m.04g9ysp
Poland, military.military_combatant.military_conflicts, m.04yzpyb
Poland, military.military_combatant.military_conflicts, m.059bdhp
m.04yw0z4, military.military_combatant_group.combatants, Poland
m.04yz1zv, military.military_combatant_group.combatants, Poland
Poland, location.location.events, Battle of Ciołków
Woodrow Wilson and World Politics: America's Response to War and Revolution, common.topic.notable_types, Book
Soviet invasion of Poland, time.event.included_in_event, World War II
Poland, location.location.events, First Battle of the Masurian Lakes
m.04ywz76, military.military_combatant_group.combatants, Poland
m.04yxq07, military.military_combatant_group.combatants, Poland
Poland, military.military_combatant.military_conflicts, m.04ytyrb
Poland, location.location.events, Battle of Stołowicze
Battle of Czarnowo, time.event.locations, Poland
President, government.government_position_held.basic_title, m.03fx838
The Polish underground army, the Western allies, and the failure of strategic unity in World War II, book.written_work.subjects, 20th century
m.04m32mh, military.military_combatant_group.combatants, Poland
m.04yw1z7, military.military_combatant_group.combatants, Poland
Poland, military.military_combatant.military_conflicts, m.07lgl3d
m.04yx0ws, military.military_combatant_group.combatants, Poland
Battle of Wilno, time.event.included_in_event, Invasion of Poland
Baltic Offensive, time.event.locations, Poland
m.04yx9by, military.military_combatant_group.combatants, Poland
m.06wjw49, military.military_combatant_group.combatants, Poland
Poland, base.locations.countries.continent, Europe
Second Battle of the Masurian Lakes, time.event.included_in_event, World War I
Poland, military.military_combatant.military_conflicts, m.059dctp
Poland, military.military_combatant.military_conflicts, m.04fvjw0
Poland, military.military_combatant.military_conflicts, m.04yy6hf
m.059dcnm, military.military_command.military_conflict, World War I
Invasion of Poland, time.event.includes_event, Battle of Grodno
United States of America, people.person.nationality, Harry S. Truman
m.048z_dd, military.military_combatant_group.combatants, Poland
m.04ywfg0, military.military_combatant_group.combatants, Poland
Poland, book.book_subject.works, The Polish underground army, the Western allies, and the failure of strategic unity in World War II
Poland, military.military_combatant.military_conflicts, m.04yzd4g
Battle of Szack, base.culturalevent.event.entity_involved, Poland
President, media_common.quotation.subjects, Being a President is like riding a tiger. A man has to keep on riding or he is swallowed.
Battle of the Border, time.event.locations, Poland
m.04yzvy6, military.military_combatant_group.combatants, Poland
Poland, common.topic.webpage, m.09wk8wk
Poland, military.military_combatant.military_commanders, m.059dd1w
Poland, military.military_combatant.military_conflicts, m.04ywllp
m.04yzbcs, military.military_combatant_group.combatants, Poland
Poland, military.military_combatant.military_conflicts, m.043wpn_
Poland, location.location.events, Battle of Trzciana
Poland, military.military_combatant.military_conflicts, m.04yzpx1
Soviet invasion of Poland, base.culturalevent.event.entity_involved, Second Polish Republic
President of Poland, people.person.gender, Male
Poland, military.military_combatant.military_conflicts, m.059qj54
Poland, military.military_combatant.military_conflicts, m.04yt_5y
Second Northern War, time.event.locations, Poland
m.04yw0hm, military.military_combatant_group.combatants, Poland
The Polish underground army, the Western allies, and the failure of strategic unity in World War II, book.written_work.subjects, History
Invasion of Poland, common.topic.notable_types, Military Conflict
Mongol invasion of Europe, time.event.locations, Poland
Poland, location.location.events, Second Northern War
Poland, military.military_combatant.military_conflicts, m.05cmc8k
m.09hxqk5, military.military_combatant_group.combatants, Poland
Invasion of Poland, time.event.includes_event, Slovak invasion of Poland
m.04y_7lr, military.military_combatant_group.combatants, Poland
Battle of Grodno, base.culturalevent.event.entity_involved, Poland
m.04yx2kw, military.military_combatant_group.combatants, Poland
m.04z1lvx, military.military_combatant_group.combatants, Poland
Poland, military.military_combatant.military_conflicts, m.06wjw49
Harry S. Truman, military.military_person.participated_in_conflicts, World War I
m.04yzpyb, military.military_combatant_group.combatants, Poland
m.04yvh6x, military.military_combatant_group.combatants, Poland
First Battle of the Masurian Lakes, time.event.included_in_event, World War I
Poland, military.military_combatant.military_conflicts, m.04ywrqf
First Mongol invasion of Poland, time.event.locations, Poland
Woodrow Wilson, government.us_president.vice_president, Thomas R. Marshall
m.04ywz2h, military.military_combatant_group.combatants, Poland
Battle of Stołowicze, base.culturalevent.event.entity_involved, Poland
Poland, military.military_combatant.military_conflicts, m.0772rgy
Invasion of Poland, time.event.locations, Second Polish Republic
m.04z1ky6, military.military_combatant_group.combatants, Poland
The Polish underground army, the Western allies, and the failure of strategic unity in World War II, book.written_work.subjects, Poland
m.05cmnx7, military.military_combatant_group.combatants, Poland
War Industries Board, organization.organization.founders, Woodrow Wilson
m.0772rgy, military.military_combatant_group.combatants, Poland
Poland, location.location.events, Second Mongol invasion of Poland
Poland, military.military_combatant.military_conflicts, m.04yvh6x
m.048z_mw, military.military_command.military_combatant, Poland
m.062v2d5, military.military_combatant_group.combatants, Poland
Second Mongol invasion of Poland, time.event.included_in_event, Mongol invasion of Europe
Poland, location.location.events, Battle of Lasy Królewskie
Belostock Offensive, time.event.locations, Poland
Polish–Ukrainian War, base.culturalevent.event.entity_involved, Second Polish Republic
Poland, location.location.events, Battle of Grodno
Poland, military.military_combatant.military_conflicts, m.04z1lvx
Woodrow Wilson, book.book_subject.works, Woodrow Wilson and World Politics: America's Response to War and Revolution
m.04yzpx1, military.military_combatant_group.combatants, Poland
m.0fplk4q, military.military_combatant_group.combatants, Poland
Battle of Trzciana, time.event.locations, Poland
Poland, military.military_combatant.military_conflicts, m.04yw0z4
Poland, military.military_combatant.military_conflicts, m.04z14x_
m.0dl75tr, military.military_combatant_group.combatants, Poland
m.059qj54, military.military_combatant_group.combatants, Poland
m.04yx28g, military.military_combatant_group.combatants, Poland
War of the Polish Succession, time.event.locations, Poland
Polish–Swedish War, time.event.locations, Poland
Poland, military.military_combatant.military_conflicts, m.04z1v3z
Poland, book.book_subject.works, Auschwitz and the Allies
Poland, book.book_subject.works, Czars, Russia, Poland and the Ukraine, 1462-1725
Poland, location.location.events, Battle of the Border
Soviet invasion of Poland, common.topic.notable_types, Military Conflict
Polish–Lithuanian–Teutonic War, time.event.includes_event, Gollub War
Poland, location.location.events, Polish–Lithuanian–Teutonic War
Poland, military.military_combatant.military_conflicts, m.04ywsr3
Poland, location.location.events, Soviet invasion of Poland
m.043wpn_, military.military_combatant_group.combatants, Poland
m.043wpr_, military.casualties.military_conflict, World War I
Battle of Sobota, time.event.locations, Poland
Ottoman wars in Europe, time.event.locations, Poland
Poland, military.military_combatant.military_conflicts, m.04yw_zb
Polish–Teutonic War, common.topic.notable_types, Military Conflict
m.04ytyb6, military.military_combatant_group.combatants, Poland
Poland, military.military_combatant.military_conflicts, m.04yzpxr
Battle of Ciołków, base.culturalevent.event.entity_involved, Poland
Poland, military.military_combatant.military_conflicts, m.04ftyvl
Invasion of Poland, base.culturalevent.event.entity_involved, Second Polish Republic
A concise history of Poland, common.topic.notable_types, Book
m.059dd1w, military.military_command.military_conflict, World War I
m.0czxjfd, military.military_combatant_group.combatants, Poland
Poland, location.location.events, 1968 Polish political crisis
Poland, military.military_combatant.military_conflicts, m.04yx2kw
Poland, time.event.locations, Great Retreat
Poland, military.military_combatant.military_conflicts, m.04ywyt7
m.04yz0dt, military.military_combatant_group.combatants, Poland
m.0gv4fp1, military.military_combatant_group.combatants, Poland
Poland, location.location.events, Second Battle of the Masurian Lakes
Poland, location.location.events, Baltic Offensive
Poland, location.location.events, Battle of Golymin
m.04y_0s8, military.military_combatant_group.combatants, Poland
m.04yzm1z, military.military_combatant_group.combatants, Poland
Poland, military.military_combatant.military_conflicts, m.05cmnx7
Soviet invasion of Poland, time.event.included_in_event, Invasion of Poland
Poland, military.military_combatant.military_conflicts, m.04yy71k
Poland, military.military_combatant.military_commanders, m.059b7cc
Poland, military.military_combatant.military_conflicts, m.04yykc7
m.04yzpxr, military.military_combatant_group.combatants, Poland
Invasion of Poland, base.culturalevent.event.entity_involved, Soviet Union
m.04yz1mz, military.military_combatant_group.combatants, Poland
Second Polish Republic, location.location.events, Slovak invasion of Poland
Invasion of Poland, time.event.locations, Poland
President of Poland, government.government_office_or_title.office_holders, m.05z22md
Poland, military.military_combatant.military_conflicts, m.04yzs7w
Poland, location.location.events, Battle of Wilno
m.04yy3kk, military.military_combatant_group.combatants, Poland
m.04yt_5y, military.military_combatant_group.combatants, Poland
War of the Polish Succession, military.military_conflict.combatants, m.04yv041
Poland, location.location.events, Battle of Węgierska Górka
Poland, military.military_combatant.military_conflicts, m.04z0f9f
m.04yykc7, military.military_combatant_group.combatants, Poland
Poland, military.military_combatant.military_conflicts, m.04ytyb6
m.062v0hm, military.military_combatant_group.combatants, Poland
Wilson, film.film.subjects, World War I
Poland, military.military_command.military_combatant, m.059dcnm
m.04yw_zb, military.military_combatant_group.combatants, Poland
Poland, military.military_combatant.military_conflicts, m.04ywvjz
m.04ywwwr, military.military_combatant_group.combatants, Poland
A concise history of Poland, book.written_work.subjects, History
Second Polish Republic, location.location.events, Invasion of Poland
Poland, military.military_combatant.military_conflicts, m.04yy3kk
m.04ytyrb, military.military_combatant_group.combatants, Poland
Poland, location.location.events, Mongol invasion of Europe
Second Mongol invasion of Poland, time.event.locations, Poland
Poland, military.military_combatant.military_conflicts, m.04yxq07
m.04yzs7w, military.military_combatant_group.combatants, Poland
Battle of Lwów, base.culturalevent.event.entity_involved, Second Polish Republic
National War Labor Board, organization.organization.founders, Woodrow Wilson
Battle of the Bzura, time.event.locations, Poland
m.04yx7qr, military.military_combatant_group.combatants, Poland
Poland, military.military_combatant.military_conflicts, m.04yx9by
m.059dcnm, military.military_command.military_combatant, Poland
Poland, military.military_combatant.military_conflicts, m.04yyy01
m.04yxd3x, military.military_combatant_group.combatants, Poland
Poland, military.military_combatant.military_commanders, m.048z_mw
m.04ywrqf, military.military_combatant_group.combatants, Poland
Auschwitz and the Allies, book.written_work.subjects, Poland
Poland, military.military_combatant.military_commanders, m.0dl79fy
Poland, military.military_combatant.military_commanders, m.059dcnm
m.04ywyt7, military.military_combatant_group.combatants, Poland
Invasion of Poland, time.event.includes_event, Battle of Wilno
m.04yzz6p, military.military_combatant_group.combatants, Poland
Battle of Golymin, time.event.locations, Poland
Poland, military.military_combatant.military_conflicts, m.04yxd3x
Russian Civil War, time.event.locations, Poland
m.04y_5r8, military.military_combatant_group.combatants, Poland
Poland, military.military_combatant.military_conflicts, m.04yx28g
Poland, location.location.events, Slovak invasion of Poland
Poland, military.military_combatant.military_conflicts, m.07lj3w9
m.04ftyvl, military.military_combatant_group.combatants, Poland
Poland, military.military_combatant.military_commanders, m.059dd1w
Poland, location.location.events, Ottoman wars in Europe
Poland, military.military_combatant.military_conflicts, m.04ftq_y
Poland, location.location.events, Battle of Bolimów
m.04yyy01, military.military_combatant_group.combatants, Poland
Poland, military.military_combatant.military_conflicts, m.04m1r_b
The Polish underground army, the Western allies, and the failure of strategic unity in World War II, book.written_work.subjects, World War II
m.04yzpwp, military.military_combatant_group.combatants, Poland
Poland, location.location.events, Battle of Bolimów
United States of America, military.military_combatant.casualties, m.043wpr_
Poland, military.military_combatant.military_conflicts, m.04fvd7q
m.09j0cvc, military.military_combatant_group.combatants, Poland
Battle of Węgierska Górka, time.event.included_in_event, Invasion of Poland
Poland, location.location.events, Battle of Czarnowo
Poland, location.location.events, First Mongol invasion of Poland
m.04y_27p, military.military_combatant_group.combatants, Poland
Battle of Lasy Królewskie, time.event.locations, Poland
Poland, military.military_combatant.military_conflicts, m.04ywfg0
Slovak invasion of Poland, time.event.locations, Poland
Invasion of Poland, time.event.includes_event, Battle of Lwów
m.05cmc8k, military.military_combatant_group.combatants, Poland
Poland, location.location.events, Polish–Ukrainian War
Battle of Bolimów, time.event.locations, Poland
Battle of Grodno, time.event.included_in_event, Invasion of Poland
Invasion of Poland, time.event.includes_event, Battle of Szack
Invasion of Poland, time.event.includes_event, Battle of Węgierska Górka
m.04yx4m1, military.military_combatant_group.combatants, Poland
m.03fx838, government.politician.government_positions_held, Woodrow Wilson
m.059dctp, military.military_combatant_group.combatants, Poland
Battle of Wilno, base.culturalevent.event.entity_involved, Poland
World War I, base.culturalevent.event.entity_involved, Woodrow Wilson
Poland, military.military_combatant.military_conflicts, m.0dl75tr
m.04yzs1f, military.military_combatant_group.combatants, Poland
Poland, military.military_combatant.military_conflicts, m.04yv041
Invasion of Poland, time.event.includes_event, Soviet invasion of Poland
Being a President is like riding a tiger. A man has to keep on riding or he is swallowed., people.person.quotations, Harry S. Truman
Wartime Lies, book.written_work.subjects, Poland
United States of America, film.film.country, Wilson
m.04g9ysp, military.military_combatant_group.combatants, Poland
Battle of Wólka Węglowa, time.event.included_in_event, Invasion of Poland
Woodrow Wilson and World Politics: America's Response to War and Revolution, book.written_work.subjects, Woodrow Wilson
m.04fvjw0, military.military_combatant_group.combatants, Poland
Poland, common.topic.webpage, m.09xgvln
Poland, military.military_combatant.military_conflicts, m.04yzz6p
Battle of Wilno, time.event.locations, Poland
m.04z14x_, military.military_combatant_group.combatants, Poland
Invasion of Poland, time.event.included_in_event, World War II
The Polish Officer, book.written_work.subjects, World War II
President of Poland, government.government_office_or_title.office_holders, m.0j5zfn6
Poland, military.military_combatant.military_conflicts, m.04y_27p
Invasion of Poland, time.event.includes_event, Battle of Kampinos Forest
War of the Polish Succession, time.event.locations, Europe
Poland, location.location.events, War of the Fourth Coalition
Battle of Węgierska Górka, base.culturalevent.event.entity_involved, Poland
A concise history of Poland, book.written_work.subjects, Europe
Poland, military.military_combatant.military_conflicts, m.04y_5r8
Poland, military.military_combatant.military_conflicts, m.04y_0s8
Poland, military.military_combatant.military_conflicts, m.04ywz76
Battle of Grodno, time.event.locations, Poland
Poland, location.location.events, Battle of Sobota
Poland, location.location.events, Battle of Wólka Węglowa
Poland, military.military_combatant.military_conflicts, m.04ftz6_
m.07lj3w9, military.military_combatant_group.combatants, Poland
Poland, military.military_combatant.military_conflicts, m.0fplk4q
Slovak invasion of Poland, common.topic.notable_types, Military Conflict
m.04ywllp, military.military_combatant_group.combatants, Poland
Invasion of Poland, time.event.includes_event, Battle of Lasy Królewskie
Battle of Szack, time.event.included_in_event, Invasion of Poland
Europe, time.event.locations, World War I
Battle of Lasy Królewskie, time.event.included_in_event, Invasion of Poland
Poland, book.book_subject.works, Wartime Lies
Battle of Trzciana, time.event.included_in_event, Polish–Swedish War
Battle of Stołowicze, time.event.locations, Poland
Invasion of Poland, time.event.includes_event, Battle of Wólka Węglowa
Poland, military.military_combatant.military_conflicts, m.04yz0dt
Poland, military.military_combatant.military_conflicts, m.04yz1zv
Poland, military.military_combatant.military_conflicts, m.04ywwwr
First Mongol invasion of Poland, common.topic.notable_types, Military Conflict
Poland, military.military_combatant.military_conflicts, m.04yzm1z
Poland, military.military_combatant.military_conflicts, m.04yw1z7
Polish–Teutonic War, time.event.locations, Poland
Poland, location.location.events, War of the Polish Succession
Poland, location.location.events, Battle of Lwów
Battle of Kampinos Forest, time.event.included_in_event, Invasion of Poland
Battle of Szack, time.event.locations, Poland
Second Polish Republic, location.location.events, Soviet invasion of Poland
Poland, location.location.events, Battle of the Bzura
Poland, military.military_combatant.military_conflicts, m.04yzbcs
Battle of Wólka Węglowa, time.event.locations, Poland
Soviet invasion of Poland, time.event.locations, Poland
Slovak invasion of Poland, base.culturalevent.event.entity_involved, Second Polish Republic
Polish–Swedish War, time.event.includes_event, Battle of Trzciana
Poland, military.military_combatant.military_conflicts, m.048z_dd
Poland, military.military_combatant.military_conflicts, m.04yx0ws
Poland, location.location.events, Polish–Swedish War
Poland, location.location.events, First Battle of the Masurian Lakes
m.04ywsr3, military.military_combatant_group.combatants, Poland
m.08l5v0b, military.force_strength.combatant, Poland
Battle of Bolimów, time.event.included_in_event, World War I
Poland, military.military_combatant.military_conflicts, m.04yx7dv
m.04yx2fk, military.military_combatant_group.combatants, Poland
Polish–Swedish wars, time.event.includes_event, Polish–Swedish War
m.04yy6hf, military.military_combatant_group.combatants, Poland
Ottoman wars in Europe, base.culturalevent.event.entity_involved, Poland
Invasion of Poland, base.culturalevent.event.entity_involved, Soviet invasion of Poland
Battle of the Bzura, time.event.included_in_event, Invasion of Poland
Soviet invasion of Poland, time.event.locations, Second Polish Republic
m.04ftz6_, military.military_combatant_group.combatants, Poland
Poland, location.location.events, Soviet westward offensive of 1918–19
Poland, military.military_combatant.military_conflicts, m.09hxqk5
Polish–Swedish War, time.event.included_in_event, Polish–Swedish wars
Woodrow Wilson, base.culturalevent.event.entity_involved, World War I
Poland, military.military_combatant.military_conflicts, m.062v2d5
Poland, military.military_combatant.military_conflicts, m.062v0hm
Slovak invasion of Poland, time.event.included_in_event, Invasion of Poland
m.04fvd7q, military.military_combatant_group.combatants, Poland
Poland, military.military_combatant.military_conflicts, m.04yzs1f
m.04yzq_z, military.military_combatant_group.combatants, Poland
Poland, location.location.events, Osovets Offensive
m.07lgl3d, military.military_combatant_group.combatants, Poland
m.059dd1w, military.military_command.military_combatant, Poland
m.04yv041, military.military_combatant_group.combatants, Poland
Poland, location.location.events, Gollub War
Mongol invasion of Europe, time.event.includes_event, First Mongol invasion of Poland
m.04fvh2h, military.military_combatant_group.combatants, Poland
Gollub War, time.event.included_in_event, Polish–Lithuanian–Teutonic War
Poland, military.military_combatant.military_conflicts, m.0gv4fp1
The Polish underground army, the Western allies, and the failure of strategic unity in World War II, common.topic.notable_types, Book
Soviet westward offensive of 1918–19, base.culturalevent.event.entity_involved, Second Polish Republic
Poland, military.military_combatant.force_deployments, m.08l5v0b
Battle of Ciołków, time.event.locations, Poland
m.04z1v3z, military.military_combatant_group.combatants, Poland
War of the Fourth Coalition, time.event.locations, Poland
Second Battle of the Masurian Lakes, time.event.locations, Poland
Poland, location.location.events, Battle of Szack
Polish–Swedish wars, time.event.locations, Poland
Gollub War, time.event.locations, Poland
Soviet invasion of Poland, base.culturalevent.event.entity_involved, Soviet Union
Poland, military.military_combatant.military_conflicts, m.04yzq_z
Polish–Lithuanian–Teutonic War, time.event.locations, Poland
Osovets Offensive, time.event.locations, Poland
Poland, military.military_combatant.military_conflicts, m.04yx7qr
President of Poland, government.government_office_or_title.category, President
Poland, military.military_combatant.military_conflicts, m.0czxjfd
Polish–Lithuanian–Teutonic War, common.topic.notable_types, Military Conflict
First Mongol invasion of Poland, time.event.included_in_event, Mongol invasion of Europe
Poland, location.location.events, Belostock Offensive
m.04yy71k, military.military_combatant_group.combatants, Poland
Poland, time.event.locations, Second Battle of the Masurian Lakes
Battle of Węgierska Górka, time.event.locations, Poland
Poland, military.military_combatant.military_conflicts, m.04yx4m1
Battle of Lwów, time.event.locations, Poland
m.04z0f9f, military.military_combatant_group.combatants, Poland
Invasion of Poland, time.event.includes_event, Battle of the Bzura
Poland, military.military_combatant.military_conflicts, m.04yyw8j
Poland, military.military_combatant.military_conflicts, m.04yzpwp
m.04ftq_y, military.military_combatant_group.combatants, Poland
m.04yzd4g, military.military_combatant_group.combatants, Poland
m.04yyw8j, military.military_combatant_group.combatants, Poland
Mongol invasion of Europe, time.event.includes_event, Second Mongol invasion of Poland
Poland, location.location.events, Invasion of Poland

Answer: World War I
World War I