December 7

1815:

Michel Ney, Marshal of France, is executed by firing squad, after being convicted of treason for his support of Napoleon Bonaparte.

1837:

Skirmish between Militia and patriots at Montgomery's Tavern

1917:

World War I: United States declares war on Austria-Hungary.

1941:

Canada declares war on Japan, Finland, Hungary and Romania

1941:

HMCS Windflower is lost on the Grand Banks

1941:

Japanese attack Pearl Harbour

1949:

Chinese Civil War: The government of the Republic of China moves from Nanking to Taipei.

1975:

Indonesia invades East Timor.