paragraph_text: He studied science at the Muséum national d'histoire naturelle in Paris, where he was influenced by scientists that included biologist Jean Louis Armand de Quatrefages de Bréau, zoologist Alphonse Milne-Edwards, and anthropologist Ernest Hamy. From 1889 to 1892, he was employed as a chemical engineer at the French-owned El Boleo mining installation in Santa Rosalia, Baja California Sur. During that period, he explored the peninsula's interior, collecting natural history specimens for the National Museum of Natural History in Paris. Afterwards, from 1893 to 1914, he made six more trips to Mexico as an explorer and collector:

paragraph_text: The Battle of Formigny, fought on 15 April 1450, was a major battle of the Hundred Years' War between England and France. The destruction of England's last army in Normandy in the battle and the decisive French victory paved the way for the capture of the remaining English strongholds in Normandy.

paragraph_text: Louis-Victor-Léon de Rochechouart (14 September 1788, in Paris – 1858, in Jumilhac-le-Grand) was a French general of the House of Rochechouart fighting in the Royalist, Imperial Russian and Bourbon armies of the Napoleonic Wars.

paragraph_text: James Jupp was born in Croydon, England, and was educated at the London School of Economics between 1951 and 1956. He held teaching posts in Political Science at the University of Melbourne, the University of York (England), the University of Waterloo (Canada) and the University of Canberra.

paragraph_text: James Harkness (1864–1923) was a Canadian mathematician, born in Derby, England, and educated at Trinity College, Cambridge. Coming early to the United States, he was connected with Bryn Mawr College from 1888 to 1903, for the last seven years as professor of mathematics.

paragraph_text: The 1968–69 British Home Championship was the third edition of the tournament to be held while England were World Champions following their victory in the 1966 FIFA World Cup. The tournament was reverted to its pre-First World War format, being played at the end of the season in a short period of time, to relax the demands on the players during the competitive season. England re-emphasised their dominance over the British game with a second comfortable win in a row. The tournament began with the favourites England and Scotland securing comfortable (if dramatic) wins over their weaker opponents, before England repeated the feat in a tougher game against Wales and Scotland were held to a draw by Ireland. Going into the final game needing a win, the Scots were thoroughly beaten by a strong English team, who took the trophy in a 4–1 victory.

paragraph_text: Sporadic use of the term for some of the subject matter occurred subsequently, such as the use by Étienne Serres in 1838 to describe the natural history, or paleontology, of man, based on comparative anatomy, and the creation of a chair in anthropology and ethnography in 1850 at the National Museum of Natural History (France) by Jean Louis Armand de Quatrefages de Bréau. Various short-lived organizations of anthropologists had already been formed. The Société Ethnologique de Paris, the first to use Ethnology, was formed in 1839. Its members were primarily anti-slavery activists. When slavery was abolished in France in 1848 the Société was abandoned.

paragraph_text: In 1944, Rab Butler introduced the Education Act 1944 which amongst other changes, including the introduction of the Tripartite System, included raising the school leaving age to 15. Although the act should have been brought into effect as from September 1939, it was not implemented because of the effects of World War II, but was eventually enforced from April 1947. The comprehensive school system has since replaced the Tripartite System brought in by this act across most of England. This act also recommended compulsory part - time education for all children until the age of 18, but was dropped, in similar fashion to the 1918 Act, to cut spending after World War II.

paragraph_text: Fifth grade (called Grade 5 in some regions) is a year of education in many nations. In the United States, the fifth grade is the fifth and last school year of elementary school in most schools. It depends on the school district, the grade may be the second to last or last year of elementary school, the first year of middle school or the first year of intermediate school. Students are usually 10 - 11 years old unless the child has been held back. In England and Wales, the equivalent is Year 6. In Ireland the equivalent is 5th class.

paragraph_text: Robling was born in Ynyshir in the Rhondda Valley, where he attended the local grammar school. His education was interrupted by the Second World War, and upon being called up was accepted for service in the Royal Navy. However, he was selected by ballot to become a Bevin Boy so instead of going to the Navy he was conscripted to work in the coal mines. After the war, he resumed his education and qualified as a teacher after attending Caerleon College and Loughborough University, although instead of teaching he decided on a different career and became a manager at the Lovell's sweet factory in Newport, Monmouthshire.

paragraph_text: Léon Werth wrote critically and with great precision on French society through World War I, colonization, and on French "collaboration" during World War II.

paragraph_text: Léon Flameng (30 April 1877 – 2 January 1917) was a French cyclist and a World War I pilot. He competed at the 1896 Summer Olympics in Athens, winning three medals including one gold.

paragraph_text: In May 1946 his was one of three names on a 'black list' sent by the government of Belgium to Spain where he was in hiding, along with Léon Degrelle and Pierre Daye. Soon after he was condemned to death "in absentia" by the war crimes tribunal in Antwerp.

paragraph_text: Camille Pelletan was educated in Paris, passed as licentiate in laws, and studied at the "École Nationale des Chartes" where he was qualified as an "archiviste paléographe". At the age of twenty he became an active journalist, and a bitter critic of the Imperial Government. After the war of 1870-71 he took a leading place among the Radicals, as an opponent of the "Opportunist Republicans" who continued the policy of Léon Gambetta.

paragraph_text: Frederick Carruthers Cornell OBE (6 May 1867 – 6 March 1921) was an English soldier, geologist, prospector and author born in Devon, England, and educated at the Bedford School. Cornell is best known for his war time activities during the Boer War, the Maritz rebellion and the First World War as well as for his publications.

paragraph_text: The University of New England (UNE) is a public university in Australia with approximately 22,500 higher education students. Its original and main campus is located in the city of Armidale in northern central New South Wales. UNE was the first Australian university established outside a state capital city.

paragraph_text: Léon Bourjade (25 May 1889 – 22 October 1924), born Jean-Pierre Léon Bourjade, was a leading French fighter pilot in World War I, notable for being his country's leading balloon-busting ace. He interrupted his theological studies to fight in World War I; post-war, he completed his studies and spent the few remaining years of his life as a missionary in what is now Papua New Guinea.

paragraph_text: David Léon Cahun (23 June 1841, Haguenau, Alsace – 30 March 1900, Paris) was a French traveler, Orientalist and writer.

paragraph_text: Victor Léon, also Viktor Léon (born Victor Hirschfeld; 4 January 1858, Szenic, Nyitra County, Kingdom of Hungary, Austrian Empire (today Senica, Slovakia) – 3 February 1940, Vienna) was a well-known Jewish Austrian-Hungarian librettist. He collaborated with Leo Stein to produce the libretto of Franz Lehár's romantic operetta "The Merry Widow" ("Die lustige Witwe").

paragraph_text: After escaping and briefly threatening to restore the French Empire, Napoleon was defeated by combined British, Prussian and Dutch forces at Battle of Waterloo in June 1815. With strong British support, the Bourbon monarchy was restored and Louis XVIII was crowned King of France. The Napoleonic era was the last occasion on which Britain and France went to war with each other, but by no means marked the end of the rivalry between the two nations. Despite his final defeat, Napoleon continues to be regarded as a national hero figure in France for his numerous victories over coalised monarchies.

Question: When did England last go to war with the country having the museum attended by Léon Diguet?
Answer: June 1815