6th December 1921
Canada holds its federal election, with the Liberal party, led by W.L. Mackenzie King, gaining a slim majority of one seat.
Said Halim Pasha (left), the former Grand Vizier of the Ottoman Empire, is assassinated in Rome by Armenian agent Arshavir Shirakian (right) for his role in the Armenian Genocide.
The Anglo-Irish Treaty is signed by the British and Irish delegates, establishing the Irish Free State as a Dominion of the British Commonwealth of Nations.
Ship Losses:
Aurore (France) The ship foundered in the English Channel off Honfleur, Calvados. Her crew were rescued.
Elwy (United Kingdom) The cargo ship ran aground at Breaksea Point, Glamorgan. She was refloated on 13 December.
Kinsman (United Kingdom) The schooner sprang a leak and was abandoned off Santa Maria Island, Azores, Portugal. Her crew were rescued by
Gil Eanes ( Portugal).
Heimdal (Norway) The mailboat ran aground at Rønne, Bornholm, Denmark. All on board were rescued.