Jun 4 Louisiana Territory officially renamed "Missouri Territory"
Jun 18 War of 1812 begins as US declares war against Britain
Victory in Battle
Jun 22 Upon learning of plans by the Americans to execute a surprise attack, Laura Secord walks 32 km to warn the British troops, which results in a British surprise victory at the Battle of Beaver Dams
Event of Interest
Jun 24Napoleon Bonaparte's forces invade Russia crossing the Neman River