Question: In which year did the French President, who decorated René Cheruy with the Cross of the French Legion of Honor, resign ?

full_context: Document 1: Philippe Pétain: Henri Philippe Benoni Omer Joseph Pétain (24 April 1856 – 23 July 1951), generally known as Philippe Pétain (] ) or Marshal Pétain ("Maréchal Pétain"), was a French general who reached the distinction of Marshal of France, and later served as the Chief of State of Vichy France also known as Nationalist France or the French State "(Chef de l'État Français)", from 1940 to 1944. Pétain, who was 84 years old in 1940, ranks as France's oldest head of state. Today, he is considered the French equivalent to his contemporary Quisling in Norway. Because of his outstanding military leadership in World War I, particularly during the Battle of Verdun, Pétain was viewed as a national hero in France and was not executed. He was sometimes nicknamed "The Lion of Verdun".
Document 2: Eric Robertson (literary critic): Eric Robertson is Professor of Modern French Literary and Visual Culture at Royal Holloway, University of London. His research focuses primarily on 20th century French literature, especially poetry, and the visual arts, with particular emphasis on European Modernism and the avant-gardes. He is the author of "Arp: Painter, Poet, Sculptor" (2006), "Writing Between the Lines", a study of the bilingual novelist and essayist René Schickele (1995), and various articles and chapters on 20th century French literature, especially poetry, and visual arts. He is also the co-editor of "Yvan Goll - Claire Goll: Texts and Contexts" (1997), "Robert Desnos: Surrealism in the Twenty-First Century" (2006), "Dada and Beyond Volume 1: Dada Discourses" (2011) and "Dada and Beyond Volume 2: Dada and its Legacies" (2012). Professor Robertson recently completed a monograph exploring the writings of Blaise Cendrars in the light of his interactions with artists, photographers and filmmakers, including Sonia Delaunay, Robert Delaunay, Robert Doisneau, Abel Gance, Fernand Léger and Léopold Survage. Further ongoing projects include a study of avant-garde art and virtual technologies.
Document 3: Chiang Kai-shek: Chiang Kai-shek (October 31, 1887 – April 5, 1975), also romanized as Chiang Chieh-shih and known as Chiang Chungcheng, was a Chinese statesman, political and military leader who served as the leader of the Republic of China.
Document 4: Louise Ochsé: Louise Ochsé was a Franco-Belgian sculptor born in the suburbs of Brussels, Belgium, at the end of the 19th century. Initially she studied under Constantin Meunier. She moved to Paris and exhibited her works at the Salon de la Société Nationale des Beaux-Arts between 1905 and 1914 and at the Salon de la Libre Esthétique from 1906 to 1912. On the occasion of her exhibit at the Galerie Boutet de Monvel in 1912, the poet and writer Guillaume Apollinaire praised her work. Examples of her art include a bust of Maurice Ravel which now is exhibited at the composer Maurice Ravel museum in the town of Montfort-L'Amaury, outside of Paris, and a bronze mask of composer Claude Debussy which was exhibited at the Musée d'Orsay October 2008 to February 2009. A bronze plaque entitled "Challenge de Gramont" is on display at the Fogg Museum.
Document 5: Park Chung-hee: Park Chung-hee (] or ] ] ; 14 November 1917 – 26 October 1979) was a South Korean politician and general who served as the President of South Korea from 1963 until his assassination in 1979, assuming that office after first ruling the country as head of a military junta installed by the May 16 coup in 1961. Before his presidency, he was chairman of the Supreme Council for National Reconstruction from 1961 to 1963 after a career as a military leader in the South Korean Army.
Document 6: René Laverdure: Lieutenant-Colonel René Philippe Laverdure (27 January 1862 – 13 November 1914) was a French army officer. He enlisted in the army as a private soldier in 1880 and saw active service with the 1st Marine Infantry Regiment and the Regiment de Tirailleurs Annamites in the Tonkin Campaign in modern Vietnam. He was promoted through the army's non-commissioned ranks and became an adjutant in 1884. A display of bravery on the battlefield won him a commission later that year.
Document 7: Napoleon: Napoléon Bonaparte ( ; ] ; 15 August 1769 – 5 May 1821) was a French military and political leader who rose to prominence during the French Revolution and led several successful campaigns during the French Revolutionary Wars. As Napoleon I, he was Emperor of the French from 1804 until 1814, and again briefly in 1815 (during the Hundred Days). Napoleon dominated European and global affairs for more than a decade while leading France against a series of coalitions in the Napoleonic Wars. He won most of these wars and the vast majority of his battles, building a large empire that ruled over continental Europe before its final collapse in 1815. One of the greatest commanders in history, his wars and campaigns are studied at military schools worldwide. Napoleon's political and cultural legacy has endured as one of the most celebrated and controversial leaders in human history.
Document 8: Arthur S. Champeny: Brigadier General Arthur Seymour Champeny (August 13, 1893 – April 11, 1979) is the only American to earn the Distinguished Service Cross in three different wars. In addition to his three Distinguished Service Crosses, he was awarded the Silver Star, two Legions of Merit, five Purple Hearts, two French Croix de Guerre, the French Legion of Honor, and the Italian Bronze Medal of Military Valor.
Document 9: Alain Renoir: Alain Renoir (October 31, 1921 – December 12, 2008) was a French-American writer and literature professor, son of filmmaker Jean Renoir and actress Catherine Hessling, and grandson of impressionist painter Pierre-Auguste Renoir.
Document 10: René Cheruy: René Cheruy (1880-1965) was a soldier, educator and artist who served as a secretary to French sculptor Auguste Rodin, was a professor of French language and literature, was decorated by the French and British governments receiving the Croix de Guerre and the British Silver Military Medal for bravery in the field and was decorated with the Cross of the French Legion of Honor by French President Charles de Gaulle for his service to the French government during and after World War I. He was married to costume designer, artist and educator Germaine Cheruy and lived in the Art Colony of old Fort Lowell.
Document 11: Dwight D. Eisenhower: Dwight David "Ike" Eisenhower ( ; October 14, 1890 – March 28, 1969) was an American politician and Army general who served as the 34th President of the United States from 1953 until 1961. During World War II, he was a five-star general in the United States Army and served as Supreme Commander of the Allied Expeditionary Forces in Europe. He was responsible for planning and supervising the invasion of North Africa in Operation Torch in 1942–43 and the successful invasion of France and Germany in 1944–45 from the Western Front.
Document 12: Charles de Gaulle: Charles André Joseph Marie de Gaulle (] ; 22 November 1890 – 9 November 1970) was a French general and statesman. He was the leader of Free France (1940–44) and the head of the Provisional Government of the French Republic (1944–46). In 1958, he founded the Fifth Republic and was elected as the President of France, a position he held until his resignation in 1969. He was the dominant figure of France during the Cold War era and his memory continues to influence French politics.
Document 13: René Char: René Char (] ; 14 June 1907 – 19 February 1988) was a 20th-century French poet and member of the French Resistance.
Document 14: René Baudichon: René Baudichon (24 March 1878 – 1963) was a French sculptor and medallist. The artist was born in Tours, France, studied at the École des Beaux-Arts in his native town, and graduated from the École des Beaux-Arts in Paris.
Document 15: Charles de Gaulle Airport: Paris Charles de Gaulle Airport (French: "Aéroport de Paris-Charles-de-Gaulle" , IATA: CDG, ICAO: LFPG ), also known as Roissy Airport (name of the local district), is the largest international airport in France. It is named after Charles de Gaulle (1890–1970), leader of the Free French Forces during the Second World War, founder of the French Fifth Republic and President of France from 1959 to 1969. Charles de Gaulle Airport is located within portions of several communes 25 km to the northeast of Paris. Charles de Gaulle Airport serves as the principal hub for Air France as well as a European hub for fellow SkyTeam alliance partner Delta Air Lines. Additionally, the airport serves as a focus city for low-cost carriers Vueling and Norwegian Air Shuttle.
ground_truth: 1969