December 1937

Friday 03:

The Dandy, the world's longest running comic, was first published.

Thursday 09:

Battle of Nanjing begins.

Saturday 11:

Italy leaves the League of Nations

Sunday 12:

Panay incident

Monday 13:

Battle of Nanjing concludes with the Japanese victory and the fall of the city which became the site of the Nanjing Massacre

Wednesday 22:

The Lincoln Tunnel opens to traffic in New York City.

Wednesday 29:

The Irish Free State was replaced by a new state called Ireland when a new constitution was adopted.