6 December in history.

1865

The 13th Amendment ends slavery. Slavery in the United States was officially abolished when the Thirteenth Amendment to the Constitution was ratified.

Wikipedia: Thirteenth Amendment to the United States Constitution

Photo: Ssolbergj / Wikimedia Commons (Public domain)

More from 6 December

1. 

   1897

   London licenses taxicabs

   London became the first city in the world to host licensed taxicabs.

   Wikipedia: Taxi

   Photo: Petar Milošević / Wikimedia Commons (CC BY-SA 4.0)

2. 

   1917

   Finland declares independence

   Finland declared its independence from the Russian Empire.

   Wikipedia: Finnish Declaration of Independence

   Photo: Government of Finland / Wikimedia Commons (Public domain)

3. 

   1933

   A judge clears Ulysses

   Judge John M. Woolsey ruled that James Joyce's novel Ulysses was not obscene, a leading decision for free expression that let the book into the United States.

   Wikipedia: United States v. One Book Called UlyssesWikipedia: Ulysses (novel)Wikipedia: James Joyce

   Photo: Unknown author / Wikimedia Commons (Public domain)

4. 1967

   The first heart transplant for a child

   Adrian Kantrowitz and his team performed the world's first paediatric heart transplant, at Maimonides Medical Center in New York City.

   Wikipedia: Adrian KantrowitzWikipedia: Heart transplantation

Moments chosen for discovery, creativity and courage. Each one links to a source where you can read more; photos are credited to their owners.