What happened on 19 December?

12 events from the Ever-When timeline, ranked by how much they mattered.

1. 1783 Pitt the Younger's first premiership Britain's youngest prime minister rebuilds the national finances and takes the country into war with revolutionary France.
2. 1915 Malevich's Black Square Suprematist icon; non-objective painting reduced to a single black quadrilateral.
3. 1915 Born: Edith Piaf Iconic French chanteuse — La Vie en rose.
4. 1946 First Indochina War France tries to reassert colonial rule in Indochina but is defeated at Dien Bien Phu.
5. 1997 Titanic (film) James Cameron's epic recreation of the Titanic disaster.
6. 2001 The Lord of the Rings film trilogy Peter Jackson's New Zealand-shot adaptation of Tolkien's epic.
7. 1961 Goa annexation by India Indian forces end Portuguese rule of Goa.
8. 1843 Dickens's A Christmas Carol Ghost story that reshaped English Christmas traditions.
9. 1777 Valley Forge winter Washington's army winters in Pennsylvania under brutal conditions; emerges trained and disciplined under Steuben's drill.
10. 1783 Pitt becomes Britain's youngest PM William Pitt the Younger becomes prime minister at 24 and steers Britain through the Revolutionary Wars.
11. 1998 Impeachment of Bill Clinton Clinton is impeached over the Lewinsky scandal, only the second US president impeached; the Senate acquits him in 1999.
12. 1852 Lord Aberdeen's premiership Aberdeen drifts into the Crimean War and is brought down by the scandal of its mismanagement.