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  Samuel L. Clemens is born prematurely at Florida, Missouri, November 30 to Judge John Marshall and Jane Lampton Clemens. Halley's Comet was in the skies above
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  Family moved to Hannibal, Missouri, where Judge J.M. Clemens, Samuel's father, began to operate general store.
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  Family moved into house known as Mark Twain Boyhood Home.
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  Due to money issues, the Clemens family had to move out of their home. They move in with Dr. Grant. Samuel's mother works as a cook.
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  Sam's father dies, family moves back into Mark Twain home.
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  Sam becomes apprentice to Joseph Ament, who worked for the Missouri Courrier Newspaper.
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  Sam's older brother Orion comes home and buys Western Union Newspaper. Sam works for his brother.
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  Sam leaves town and becomes a journeyman in St. Louis. Orion takes the rest of the family to Iowa.
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  Sam visits his brother Orion during the summer in Muscatine, Iowa on the Muscatine Journal.
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  Sam works for brother in Iowa for the Orion's Daily Post.
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  Sam becomes a licensed river pilot.
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  Civil War starts, Sam loses river boat job. Sam joins the Marion County Rangers and combats Union Forces.
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  Sam uses his famous pen name Mark Twain for the first time.
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  Visiting Jackass Hill in California, Sam hears the tale of the Jumping frog.
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  "Jim Smiley and His Jumping Frog" published in an issue of New York Saturday Press.
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  The Celebrated Jumping Frog of Calaveras County published nationally. Travels to Europe and the Holy Lands (recalled in his first book, The Innocents Abroad).
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  First book, The Innocents Abroad, published.
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  Sam marries Olivia Langdon in Elmira.
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  Sam's son, Langdon is born.
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  Sam's daughter, Susy is born.
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  Langdon passes away.
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  Roughing It is publsihed.
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  Daughter Clara is born.
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  Tom Sawyer Published
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  Daughter Jean is born
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  Life on the Mississippi published
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  The Adventures of Huckleberry Finn is published. Best selling biography of U.S. Grant is released and makes the Clemmens family around $350,000
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  Susy dies of meningitis
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  Olivia dies
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  Mark Twain, beloved author of stories, great speaker, loving father, husband, brother, and friend passes away.