16th December 1921
British House of Commons approves the Anglo-Irish Treaty for the establishment of the Irish Free State by a vote of 401 to 58, but the treaty is far more contentious in Ireland. The Irish delegation of the treaty returning to Ireland.
Ship Losses:
Stevenstone (United Kingdom) The cargo ship departed Blyth, Northumberland for Helsingør, Denmark. No further trace presumed foundered with the loss of all hands.
Tsushima Maru (Japan) The cargo liner ran aground in the Hirado Strait. All on board were rescued.