Battle of Lützen – Napoleon wins against the German alliance. May 11 – 1813 crossing of the Blue Mountains: Gregory Blaxland, William Lawson and William Wentworth leave on an expedition to cross the Blue Mountains of Australia. May 20–21 – Napoleonic Wars: Battle of Bautzen – Napoleon again defeats his combined enemies. May 27 – War of 1812: In Canada, American forces capture Fort George. June 1 – War of 1812: Capture of USS Chesapeake in Boston Harbor by British Royal Navy frigate . June 6 War of 1812: Battle of Stoney Creek – A British force of 700 under John Vincent defeats an American force three times its size, under William H. Winder and John Chandler. 1813 crossing of the Blue Mountains: Gregory Blaxland, William Lawson and William Wentworth succeed in crossing the Blue Mountains (New South Wales) and return home. June 21 – Peninsular War: Battle of Vitoria – A British, Spanish and Portuguese force of 78,000 with 96 guns under Wellington defeats a French force of 58,000 with 153 guns under Joseph Bonaparte. July–September July – War of 1812 – The second siege of Fort Meigs by British allied forces fails. July 5 – War of 1812: Three weeks of British raids on Fort Schlosser, Black Rock and Plattsburgh, New York begin. July 13 The Carabinieri, the national military police of Italy, are founded by Victor Emmanuel I as the police force of the Kingdom of Sardinia. Missionaries Adoniram Judson and his wife, Ann Hasseltine Judson, arrive in Burma. July 23 – Sir Thomas Maitland is appointed as the first Governor of Malta, transforming the island from a British protectorate to a de facto colony. August 12 – Napoleonic Wars: Austria declares war on France. August 19 – Gervasio Antonio de Posadas joins Argentina's second triumvirate. August 23 – Napoleonic Wars – Battle of Großbeeren: Napoleon is defeated by Prussia and Sweden. August 26 – Napoleonic Wars – Battle of Katzbach: Napoleon's troops are defeated by Prussia and Russia. August 26–27 – Napoleonic Wars – Battle of Dresden: Napoleon's troops are victorious. August 29–30 – Napoleonic Wars – First Battle of Kulm: French Marshal Vandamme is defeated and captured, by allied Coalition forces from Russia, Prussia and Austria. August 30 – Creek War – Fort Mims massacre: A force of Creeks, belonging to the Red Sticks faction, kills hundreds of settlers in Fort Mims, Alabama. August 31