It is the 340th day of the year, with only 25 days remaining until the new year.
1768 - The first edition of the Encyclopedia Britannica is published.
1849 - American abolitionist Harriet Tubman escapes from slavery.
1865 - The Thirteenth Amendment to the U.S. Constitution is ratified, banning slavery.
1877 - The first edition of the Washington Post is published.
1877 - Thomas Edison, using his new phonograph, makes on of the earliest recordings of a human voice, reciting Mary Had a Little Lamb.
1884 - The famous Washington Monument is finally completed.
1897 - London becomes the world's first city to host licensed taxicabs.
1917 - In Canada, a munitions explosion kills more than 1,900 people and destroys part of the City of Halifax, Nova Scotia.
1947 - The Everglades National Park in Florida is dedicated.
1967 - Adrian Kantrowitz, performs the first human heart transplant in the United States.
2006 - NASA reveals photographs taken by Mars Global Surveyor, suggesting the presence of liquid water on Mars.