paragraph_text: The Atbarah River (; transliterated: Nahr 'Atbarah) in northeast Africa rises in northwest Ethiopia, approximately 50 km north of Lake Tana and 30 km west of Gondar. It flows about 805 km (500 mi) to the Nile in north-central Sudan, joining it at the city of Atbarah (). The river's tributary, the Tekezé (Setit) River, is perhaps the true upper course of the Atbarah, as the Tekezé follows the longer course prior to the confluence of the two rivers (at 14° 10' N, 36° E) in northeastern Sudan. The Atbarah is the last tributary of the Nile before it reaches the Mediterranean.

paragraph_text: The East Branch of the Mohawk River is a river in northern New Hampshire in the United States. It is a tributary of the Mohawk River, which flows west to the Connecticut River, which in turn flows south to Long Island Sound, an arm of the Atlantic Ocean.

paragraph_text: The Mississippi River is the chief river of the second - largest drainage system on the North American continent, second only to the Hudson Bay drainage system. The stream is entirely within the United States (although its drainage basin reaches into Canada), its source is Lake Itasca in northern Minnesota and it flows generally south for 2,320 miles (3,730 km) to the Mississippi River Delta in the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains all or parts of 31 U.S. states and two Canadian provinces between the Rocky and Appalachian Mountains. The Mississippi ranks as the fourth - longest and fifteenth - largest river in the world by discharge. The river either borders or passes through the states of Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, and Louisiana.

paragraph_text: The Kleine Laber (also: "Kleine Laaber") is a river in Bavaria, Germany. The Kleine Laber issues into the Große Laber, which issues into the Danube River.

paragraph_text: The Tekezé River rises in the central Ethiopian Highlands near Mount Qachen within Lasta, from where it flows west, north, then west again, forming the westernmost border of Ethiopia and Eritrea from the confluence of the Tomsa with the Tekezé at to the tripoint between the two countries and Sudan at . After entering northeastern Sudan at the tripoint it joins the Atbarah River, which is a tributary of the Nile. The Tekezé is perhaps the true upper course of the Atbarah, as the former follows the longer course prior to the confluence of the two rivers.

paragraph_text: Fighting in North Africa started with the Italian declaration of war on 10 June 1940. On 14 June, the British Army's 11th Hussars (assisted by elements of the 1st Royal Tank Regiment, 1st RTR) crossed the border from Egypt into Libya and captured the Italian Fort Capuzzo. This was followed by an Italian counter-offensive into Egypt and the capture of Sidi Barrani in September 1940 and again in December 1940 following a British Commonwealth counteroffensive, Operation Compass. During Operation Compass, the Italian 10th Army was destroyed and the German Afrika Korps -- commanded by Erwin Rommel, who later became known as ``The Desert Fox ''-- was dispatched to North Africa in February 1941 during Operation Sonnenblume to reinforce Italian forces in order to prevent a complete Axis defeat.

paragraph_text: The North American river otter (Lontra canadensis), also known as the northern river otter or the common otter, is a semiaquatic mammal endemic to the North American continent found in and along its waterways and coasts. An adult river otter can weigh between 5.0 and 14 kg (11.0 and 30.9 lb). The river otter is protected and insulated by a thick, water - repellent coat of fur.

paragraph_text: Wenne is a river of North Rhine-Westphalia, Germany. The river springs in a forest area near Obringhausen. It flows into the Ruhr near Wennemen.

paragraph_text: Einfallsgraben is a small river of Bavaria, Germany. After a course of about 2 km it enters a sink near Alzenau.

paragraph_text: Beyeda is one of the woredas in the Amhara Region of Ethiopia. Located in the easternmost point of the Semien Gondar Zone, Beyeda is bordered on the south by the Wag Hemra Zone, on the west by Jan Amora, on the north by Tselemt, and on the east by the Tekezé River which separates it from the Tigray Region. The major town in Beyeda is Dil Yibza.

paragraph_text: The North Branch of the Millers River is a river in southwestern New Hampshire and northern Massachusetts in the United States. It is a tributary of the Millers River, which flows west to the Connecticut River, which in turn flows south to Long Island Sound, an arm of the Atlantic Ocean.

paragraph_text: The Mississippi River is the chief river of the second - largest drainage system on the North American continent, second only to the Hudson Bay drainage system. Flowing entirely in the United States (although its drainage basin reaches into Canada), it rises in northern Minnesota and meanders slowly southwards for 2,320 miles (3,730 km) to the Mississippi River Delta at the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains all or parts of 31 U.S. states and 2 Canadian provinces between the Rocky and Appalachian Mountains. The Mississippi ranks as the fourth - longest and fifteenth - largest river in the world by discharge. The river either borders or passes through the states of Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, and Louisiana.

paragraph_text: On 23 October 1954 – only nine years after Allies (UK, USA and USSR) defeated Nazi Germany ending World War II in Europe – the admission of the Federal Republic of Germany to the North Atlantic Pact was finally decided. The incorporation of West Germany into the organization on 9 May 1955 was described as "a decisive turning point in the history of our continent" by Halvard Lange, Foreign Affairs Minister of Norway at the time. In November 1954, the USSR requested a new European Security Treaty, in order to make a final attempt to not have a remilitarized West Germany potentially opposed to the Soviet Union, with no success.

paragraph_text: The Orikaka River (also known as the Mackley River) is a river of the West Coast Region of New Zealand's South Island. It flows southwest from the southern end of the Matiri Range before turning south to flow into the Buller River five kilometres to the west of Inangahua.

paragraph_text: Tatarka River () is a river in Perm Krai, Russia, a right bank tributary of the Babka River, which in turn is a tributary of the Sylva River. The river is long.

paragraph_text: The Cuyuni River is a South American river and a tributary of the Essequibo River. It rises in the Guiana Highlands of Venezuela where it descends northward to El Dorado, and turns eastward to meander through the tropical rain forests of Guyana. It finally turns southeastward, flowing to its confluence with the Mazaruni River. The Cuyuni River marks the limit of the disputed territory of Guayana Esequiba for approximately .

paragraph_text: Lake Edward lies at an elevation of 920 metres (3,020 ft), is 77 kilometres (48 mi) long by 40 kilometres (25 mi) wide at its maximum points, and covers a total surface area of 2,325 square kilometres (898 sq mi), making it the 15th-largest on the continent. The lake is fed by the Nyamugasani River, the Ishasha River, the Rutshuru River, the Ntungwe River, and the Rwindi River. Lake George to the northeast empties into it via the Kazinga Channel. Lake Edward empties to the north via the Semliki River into Lake Albert.

paragraph_text: The direct involvement of the Netherlands in World War II began with its invasion by Nazi Germany on 10 May 1940. The Netherlands had proclaimed neutrality when war broke out in September 1939, just as it had in World War I, but Adolf Hitler ordered it to be invaded anyway. On 15 May 1940, one day after the bombing of Rotterdam, the Dutch forces surrendered. The Dutch government and the royal family escaped and went into exile in London.

paragraph_text: The Lubefu River is a tributary of the Sankuru River, which in turn is a tributary of the Kasai River in the Democratic Republic of the Congo.

paragraph_text: Balagas River is a river of northern Ethiopia. A tributary of the Tekezé, its own tributaries include the Balessa and Dorana rivers.

Question: When did Germany invade the continent where the river Tekezé River turns into is located in World War 2?
Answer: in February 1941