Dashed left edge = started before June 1812 ·
Dashed right edge = ongoing beyond June 1812
Events in June 1812 2
1812United States declares war on BritainUS Congress votes for war, beginning the War of 1812On 18 June 1812 the United States declared war on the United Kingdom over trade restrictions, the impressment of American sailors, and British support for Native American resistance on the frontier. The conflict was fought across the Great Lakes, the Atlantic seaboard, and the Gulf Coast until early 1815. It ended in a stalemate confirmed by the Treaty of Ghent, with no territorial changes.
1812French invasion of Russia beginsNapoleon's Grande Armee crosses the Niemen into Russian territoryOn 24 June 1812 Napoleon led an army of over 450,000 men across the Niemen River to invade Russia. The campaign became one of the costliest military disasters in history, with only a small fraction of the force surviving the retreat. It marked the beginning of the end of Napoleon's dominance in Europe.