Why Famous: American author and humorist, best known for "The Adventures of Tom Sawyer" (1876) and its sequel, "Adventures of Huckleberry Finn" (1885), the latter often called "the Great American Novel."
- 1870-02-02 American writer (Huckleberry Finn) Samuel Langhorne Clemens, pen name Mark Twain, (34) marries Olivia Langdon (24) in Elmira, NY
- 1863-02-03 Samuel Clemens first uses the pen name Mark Twain in a Virginia City newspaper, the "Territorial Enterprise"
- 1865-11-18 Mark Twain publishes "Celebrated Jumping Frog of Calaveras County"
- 1884-12-10 "Adventures of Huckleberry Finn" by Mark Twain is first published in the UK and Canada (US Feb 1885, due to printing error)
- 1885-02-18 Mark Twain publishes the "Adventures of Huckleberry Finn" in the US
- 1931-04-06 "A Connecticut Yankee" film based on novel by Mark Twain, directed by David Butler, starring Will Rogers is released