paragraph_text: Vieille Montagne is the name of a former zinc mine in Kelmis (La Calamine), a town in Belgium between Liège and Aachen. The mine's name is French for "the old mountain", and this is also reflected in its German name, "Altenberg" (earlier, "Alten Galmei-Berg"). The mine was once a bone of contention between Prussia on the one side and the United Kingdom of the Netherlands (later Belgium) on the other, that resulted in a piece of land that became the territory of Neutral Moresnet.

paragraph_text: The Battle of France, also known as the Fall of France, was the German invasion of France and the Low Countries during the Second World War. In six weeks from 10 May 1940, German forces defeated Allied forces by mobile operations and conquered France, Belgium, Luxembourg and the Netherlands, bringing land operations on the Western Front to an end until 6 June 1944. Italy entered the war on 10 June 1940 and attempted an invasion of France.

paragraph_text: Merrill Meeks Flood (1908 – 1991) was an American mathematician, notable for developing, with Melvin Dresher, the basis of the game theoretical Prisoner's dilemma model of cooperation and conflict while being at RAND in 1950 (Albert W. Tucker gave the game its prison-sentence interpretation, and thus the name by which it is known today).

paragraph_text: Born in Rome, Italy, after the debut on stage in a small company of prose Campori moved shortly after into avanspettacolo and revue, entering the company of the De Vico Brothers with whom she toured across Italy during the Second World War.

paragraph_text: As a result of this conflict, the Ottoman Turks ceded the provinces of Tripolitania, Fezzan, and Cyrenaica to Italy. These provinces together formed what became known as Libya.

paragraph_text: The M1934/39 helmet was the primary combat helmet used by the Greek Armed Forces during the Second World War. Greece purchased these helmets from Italy prior to the conflict as a replacement for their World War I-era Adrian helmets and refitted them with locally manufactured liners.

paragraph_text: The concept of national teams was not a major part of the Olympic movement until the Intercalated Games 10 years later, though many sources list the nationality of competitors in 1896 and give medal counts. There are significant conflicts with regard to which nations competed. The International Olympic Committee gives a figure of 14, but does not list them. The following 14 are most likely the ones recognised by the IOC. Some sources list 12, excluding Chile and Bulgaria; others list 13, including those two but excluding Italy. Egypt is also sometimes included because of Dionysios Kasdaglis' participation. Belgium and Russia had entered the names of competitors, but withdrew.

paragraph_text: The Al-Qubeir massacre (), also known as the Hama massacre, occurred in the small village of Al-Qubeir near Hama, Syria, on 6 June 2012 during the country's ongoing civil conflict. Al-Qubeir is described as a Sunni farming settlement surrounded by Alawite villages in the central province of Hama. According to preliminary evidence, troops had surrounded the village which was followed by pro-government Shabiha militia entering the village and killing civilians with "barbarity," UN Secretary-General Ban Ki-moon told the UN Security Council.

paragraph_text: Peace between England and the Netherlands in 1688 meant that the two countries entered the Nine Years' War as allies, but the conflict—waged in Europe and overseas between France, Spain and the Anglo-Dutch alliance—left the English a stronger colonial power than the Dutch, who were forced to devote a larger proportion of their military budget on the costly land war in Europe. The 18th century saw England (after 1707, Britain) rise to be the world's dominant colonial power, and France becoming its main rival on the imperial stage.

paragraph_text: The Wars of Castro were a series of conflicts during the mid-17th century revolving around the ancient city of Castro (located in present-day Lazio, Italy), which eventually resulted in the city's destruction on 2 September 1649. The conflict was a result of a power struggle between the papacy – represented by members of two deeply entrenched Roman families and their popes, the Barberini and Pope Urban VIII and the Pamphili and Pope Innocent X – and the Farnese dukes of Parma, who controlled Castro and its surrounding territories as the Duchy of Castro.

paragraph_text: Brusilow entered the Curtis Institute of Music when he was eleven and studied there with Efrem Zimbalist. Throughout most of his childhood and adolescence, he was known as "Albert Brusilow". Later, at the urging of his girlfriend (who would later become his wife), he returned to using his birth name, Anshel.

paragraph_text: The Commanders of World War II were for the most part career officers. They were forced to adapt to new technologies and shaped the direction of modern warfare. Some political leaders, particularly those of the principal dictatorships involved in the conflict, Adolf Hitler (Germany), Benito Mussolini (Italy) and Emperor Hirohito (Japan), acted as supreme military commanders as well as dictators for their respective countries or empires.

paragraph_text: On 3 May 1915 Italy officially revoked the Triple Alliance. In the following days Giolitti and the neutralist majority of the Parliament opposed declaring war, while nationalist crowds demonstrated in public areas for it. (The nationalist poet Gabriele D'Annunzio called this period le radiose giornate di Maggio -- ``the sunny days of May ''). Giolitti had the support of the majority of Italian parliament so on 13 May Salandra offered his resignation to King Victor Emmanuel III, but then Giolitti learned that the London Pact was already signed: fearful of a conflict between the Crown and the Parliament and the consequences on both internal stability and foreign relationships, Giolitti accepted the fait accompli, declined to succeed as prime minister and Salandra's resignation was not accepted. On 23 May, Italy declared war on Austria - Hungary. This was followed by declarations of war on the Ottoman Empire (21 August 1915, following an ultimatum of 3 August), Bulgaria (19 October 1915) and the German Empire (28 August 1916).

paragraph_text: Shadows in a Conflict () is a 1993 Spanish drama film directed by Mario Camus. It was entered into the 18th Moscow International Film Festival.

paragraph_text: La Settimana Enigmistica is a weekly Italian puzzle magazine, published since 1932 in Italy and distributed also in other European countries. It has long been one of Italy's top-selling magazines.

paragraph_text: The Queen Elisabeth Medical Foundation (QEMF) is a Belgian non-profit organization, founded in 1926 by Elisabeth of Bavaria, wife of Albert I. She founded the organization, based on her experience with the wounded from the front-line during the First World War. The foundation wants to encourage laboratory research and contacts between researchers and clinical practitioners, with a particular focus on neurosciences. The QEMF supports seventeen university teams throughout Belgium.

paragraph_text: Michele Bianchi's attitude during World War I mirrored that of Benito Mussolini: he became an active supporter of Italy's entry into the conflict, and advocate of irredentism.

paragraph_text: Albert Goodwin (2 August 1906 – 22 September 1995) was a Fellow of Jesus College, Oxford (where he had previously been a student) and later Professor of Modern History in the University of Manchester. In his book of the same name, he presented his liberal interpretation of the French Revolution as 'a merciless conflict between aristocracy and democracy' caused by the refusal of Louis XVI to accept the role of a constitutional monarch.

paragraph_text: Celeste Johnson (born 1959 in Chicago, Illinois) is an American model who became successful as a TV presenter and singer in Italy. Before entering the showbusiness, Johnson was a professional long jump athlete.

paragraph_text: Costa Volpino (Bergamasque: ) is a "comune" in the province of Bergamo, in Lombardy, Italy. Situated at the end of Valle Camonica, where the Oglio river enters the Lake Iseo, it is bounded by other communes of Lovere and Rogno.

Question: When did Italy enter the conflict that involved Albert I, of the country where the town of Kelmis is found?
Answer: 1915