Question: Florence MacLeod Harper covered World War I on the eastern front for a newspaper that was was founded in what year?

full_context: Document 1: Frank Leslie's Illustrated Newspaper: Frank Leslie's Illustrated Newspaper, later renamed Leslie's Weekly, was an American illustrated literary and news magazine founded in 1855 and published until 1922. It was one of several magazines started by publisher and illustrator Frank Leslie.
Document 2: The Illustrated London News: The Illustrated London News appeared first on Saturday 14 May 1842, as the world's first illustrated weekly news magazine. Founded by Herbert Ingram, it appeared weekly until 1971, then less frequently thereafter, and ceased publication in 2003. The company continues today as Illustrated London News Ltd, a publishing, content and digital agency in London, which holds the publication and business archives of the magazine.
Document 3: Hilary Brown: Hilary Brown is a Canadian journalist whose career spanned for almost four decades. Brown is regularly characterized as a ground-breaker, for working as a foreign correspondent and a war correspondent, when women rarely posted to dangerous locations.
Document 4: Frank Leslie's Popular Monthly: Frank Leslie's Popular Monthly (1876–1904) was an American popular literary magazine established by Frank Leslie as "the cheapest magazine published in the world." Contributors included Henry James and Eben E. Rexford. In 1905 it was continued by "The American Magazine."
Document 5: Florence MacLeod Harper: Florence MacLeod Harper was a Canadian journalist sent by U.S. newspaper "Frank Leslie's Illustrated Newspaper" as a staff reporter with an assignment to cover World War I on the Eastern front. She was an early female war correspondent and one of a handful of western journalists to leave a first-hand journalistic account of the early stages of the Russian revolution.
Document 6: Us Weekly: Us Weekly is a weekly celebrity and entertainment magazine based in New York City. "Us Weekly" was founded in 1977 by The New York Times Company, who sold it in 1980. It was acquired by Wenner Media in 1986. The publication covers topics ranging from celebrity relationships to the latest trends in fashion, beauty, and entertainment. Along with Jann Wenner, the individuals currently in charge of "Us Weekly" are editor-in-chief James Heidenry and publisher Victoria Lasdon Rose. As of 2013, its circulation averaged over two million.
Document 7: My Weekly: The publication originated as a newspaper. It was purchased by the Thomson brothers early in the twentieth century, and was relaunched as a magazine in 1910.
Document 8: Anne O'Hare McCormick: Anne O'Hare McCormick (1880–1954) was a foreign news correspondent for the "New York Times", in an era where the field was almost exclusively "a man's world". In 1937, she won the Pulitzer Prize for correspondence, becoming the first woman to receive a major category Pulitzer Prize in journalism. Born in Wakefield, Yorkshire, UK, in 1880, she was educated in the United States at the College of Saint Mary of the Springs in Columbus, Ohio. After graduating she became an associate editor for the "Catholic Universe Bulletin". Her 1911 marriage to Dayton businessman Francis J. "Frank" McCormick, Jr. (1872-1954), an importer and executive of the Dayton Plumbing Supply Company, led to frequent travels abroad, and her career as a journalist became more specialized.
Document 9: Ainslee's Magazine: Ainslee's Magazine was an American literary periodical published from 1897 to December 1926. It was originally published as a humor magazine called "The Yellow Kid", based on the popular comic strip character. It was renamed "Ainslee's" the following year.
Document 10: Time (magazine): Time is an American weekly news magazine published in New York City. It was founded in 1923 and for decades was dominated by Henry Luce, who built a highly profitable stable of magazines.
Document 11: Louise Bryant: Louise Bryant (December 5, 1885 – January 6, 1936) was an American feminist, political activist, and journalist best known for her sympathetic coverage of Russia and the Bolsheviks during the Russian Revolution. Bryant, who married writer John Reed, her second husband, in 1916, wrote about Russian leaders such as Katherine Breshkovsky, Maria Spiridonova, Alexander Kerensky, Vladimir Lenin, and Leon Trotsky. Her news stories, distributed by Hearst during and after her trips to Petrograd and Moscow, appeared in newspapers across the United States and Canada in the years immediately following World War I. A collection of articles from her first trip was published in book form as "Six Red Months in Russia" in 1918. During the next year, she defended the revolution in testimony before the Overman Committee, a Senate subcommittee established to investigate Bolshevik influence in the United States. Later in 1919, she undertook a nationwide speaking tour to encourage public support of the Bolsheviks and to denounce armed U.S. intervention in Russia.
Document 12: John Reed (journalist): John Silas "Jack" Reed (October 22, 1887 – October 17, 1920) was an American journalist, poet, and socialist activist, best remembered for his first-hand account of the Bolshevik Revolution, "Ten Days That Shook the World". He was married to writer and feminist Louise Bryant. Reed died in Russia in 1920 and is one of only three Americans buried in the Kremlin Wall Necropolis, the others being labor organizer Bill Haywood, and Charles Ruthenburg (the founder of the Communist Party USA).
Document 13: Peggy Hull: Peggy Hull (December 30, 1889 – June 19, 1967), was the pen name of Henrietta Eleanor Goodnough Deuell, an American journalist who covered World War I and World War II. She was the first female correspondent accredited by the U. S. War Department.
Document 14: Collier's: Collier's was an American magazine, founded in 1888 by Peter Fenelon Collier. It was initially launched as Collier's Once a Week, then changed in 1895 to Collier's Weekly: An Illustrated Journal, and finally shortened in 1905 to simply Collier's. The magazine ceased publication with the issue dated January 4, 1957, though a brief, failed attempt was made to revive the Collier's name with a new magazine in 2012.
Document 15: Clara Bewick Colby: Clara Dorothy Bewick Colby (1 August 1846 – 7 September 1916) was a British-American lecturer, newspaper publisher and correspondent, women's rights activist, and suffragist leader. Born in England, she emigrated to the US where she attended university and married the former American Civil War general, later Assistant United States Attorney General, Leonard Wright Colby. In 1883, she founded the "Women's Tribune" in Beatrice, Nebraska, moving it three years later to Washington, D.C.; it became the country's leading women's suffrage publication. She was an advocate of peace and took part in the great peace conference at San Francisco during the exposition. She also spoke on behalf of the soldiers of the Spanish War. During the Spanish war she was officially appointed as war correspondent, the first woman to be so recognized. During the Spanish–American War (1898), she was officially appointed as war correspondent, the first woman to be so recognized.
ground_truth: 1855