List of 1807 Major News Events in History, Most Important Historical Events in 1807
| Date | Event |
|---|---|
| February 3, 1807 | A British military force, under Brigadier-General Sir Samuel Auchmuty captures the Spanish Empire city of Montevideo, now the capital of Uruguay. |
| February 7, 1807 | Napoleonic Wars: Napoleon finds Bennigsen's Russian forces taking a stand at Eylau. After bitter fighting, the French take the town, but the Russians resume the battle the next day. |
| February 8, 1807 | After two days of bitter fighting, the Russians under Bennigsen and the Prussians under L'Estocq concede the Battle of Eylau to Napoleon. |
| February 19, 1807 | Former Vice President of the United States Aaron Burr is arrested for treason in Wakefield, Alabama and confined to Fort Stoddert. |
| March 2, 1807 | The U.S. Congress passes the Act Prohibiting Importation of Slaves, disallowing the importation of new slaves into the country. |
| March 25, 1807 | The Swansea and Mumbles Railway, then known as the Oystermouth Railway, becomes the first passenger-carrying railway in the world. |
| April 12, 1807 | The Froberg mutiny on Malta ends when the remaining mutineers blow up the magazine of Fort Ricasoli. |
| May 1, 1807 | The Slave Trade Act 1807 takes effect, abolishing the slave trade within the British Empire. |
| May 22, 1807 | A grand jury indicts former Vice President of the United States Aaron Burr on a charge of treason. |
| May 29, 1807 | Mustafa IV became Sultan of the Ottoman Empire and Caliph of Islam. |
| June 14, 1807 | Emperor Napoleon's French Grande Armée defeats the Russian Army at the Battle of Friedland in Poland (modern Russian Kaliningrad Oblast) ending the War of the Fourth Coalition. |
| June 22, 1807 | In the Chesapeake–Leopard affair, the British warship HMS Leopard attacks and boards the American frigate USS Chesapeake. |
| June 28, 1807 | Second British invasion of the Río de la Plata; John Whitelocke lands at Ensenada on an attempt to recapture Buenos Aires and is defeated by the locals. |
| June 29, 1807 | Russo-Turkish War: Admiral Dmitry Senyavin destroys the Ottoman fleet in the Battle of Athos. |
| July 5, 1807 | In Buenos Aires the local militias repel the British soldiers within the Second English Invasion. |
| July 7, 1807 | The first Treaty of Tilsit between France and Russia is signed, ending hostilities between the two countries in the War of the Fourth Coalition. |
| July 9, 1807 | The second Treaty of Tilsit is signed between France and Prussia, ending the War of the Fourth Coalition. |
| July 20, 1807 | Nicéphore Niépce is awarded a patent by Napoleon for the Pyréolophore, the world's first internal combustion engine, after it successfully powered a boat upstream on the river Saône in France. |
| August 17, 1807 | Robert Fulton's North River Steamboat leaves New York City for Albany, New York, on the Hudson River, inaugurating the first commercial steamboat service in the world. |
| August 29, 1807 | British troops under Sir Arthur Wellesley defeat a Danish militia outside Copenhagen in the Battle of Køge. |
| September 2, 1807 | Napoleonic Wars: The British Royal Navy bombards Copenhagen with fire bombs and phosphorus rockets to prevent Denmark from surrendering its fleet to Napoleon. |
| November 29, 1807 | John VI of Portugal flees Lisbon from advancing Napoleonic forces during the Peninsular War, transferring the Portuguese court to Brazil. |
| December 17, 1807 | Napoleonic Wars: France issues the Milan Decree, which confirms the Continental System. |
| December 22, 1807 | The Embargo Act, forbidding trade with all foreign countries, is passed by the U.S. Congress at the urging of President Thomas Jefferson. |