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The Convention Parliament convenes to determine whether James II and VII, the last Roman Catholic monarch of England, Ireland and Scotland, had vacated the thrones of England and Ireland when he fled to France in 1688.
American entry into World War I: President Wilson asks the U.S. Congress for a declaration of war on Germany.
The Battle of the River Plate is fought off the coast of Uruguay; the first naval battle of World War II. The Kriegsmarine's Deutschland-class cruiser (pocket battleship) Admiral Graf Spee engages with three Royal Navy cruisers: HMS Ajax, HMNZS Achilles and HMS Exeter.
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