On today's date in 425: Valentinian III is elevated as Roman emperor at the age of six. #history #grownostr

On today's date in 1798: War of the Second Coalition: The Ottoman–Albanian forces of Ali Pasha of Janina defeated French troops and captured the town of Preveza at the Battle of Nicopolis. #history #grownostr

On today's date in 1972: Vietnam War: Operation Linebacker, a U.S. bombing campaign against North Vietnam in response to its Easter Offensive, ended after five months. #history #grownostr

On today's date in 1721: The Russian Empire is proclaimed by Tsar Peter I after the Swedish defeat in the Great Northern War. #history #grownostr

On today's date in 451: The Chalcedonian Creed, regarding the divine and human nature of Jesus, is adopted by the Council of Chalcedon, an ecumenical council. #history #grownostr

On today's date in 1383: The male line of the Portuguese House of Burgundy becomes extinct with the death of King Fernando, leaving only his daughter Beatrice. Rival claimants begin a period of civil war and disorder. #history #grownostr

On today's date in 1978: After reporting contact with an unidentified aircraft, Australian pilot Frederick Valentich disappeared while piloting a Cessna 182L across the Bass Strait to King Island. #history #grownostr

On today's date in 1512: Martin Luther joins the theological faculty of the University of Wittenberg. #history #grownostr

On today's date in 1096: First Crusade: At the Battle of Civetot, the Seljuk forces of Kilij Arslan destroyed the army of the People's Crusade as it marched toward Nicaea. #history #grownostr

On today's date in 1827: Greek War of Independence: In the Battle of Navarino, a combined Turkish and Egyptian fleet is defeated by British, French and Russian naval forces in the last significant battle fought with wooden sailing ships. #history #grownostr

On today's date in 1939: Pope Pius XII (pictured) published his first encyclical, Summi Pontificatus, which critiqued ideologies such as racism, cultural superiority and totalitarianism. #history #grownostr

On today's date in 1991: An earthquake struck the Indian state of Uttarakhand, killing at least 768 people and destroying thousands of homes. #history #grownostr

On today's date in 1579: James VI of Scotland is celebrated as an adult ruler by a festival in Edinburgh. #history #grownostr

On today's date in 1466: The Thirteen Years' War between Poland and the Teutonic Order ends with the Second Treaty of Thorn. #history #grownostr

On today's date in 1596: The Spanish ship San Felipe runs aground on the coast of Japan and its cargo is confiscated by local authorities #history #grownostr

On today's date in 1587: Filipino sailors disembarked from the Manila galleon Nuestra Señora de Buena Esperanza in what is now Morro Bay, California, the first documented instance of Asians in the Americas. #history #grownostr

On today's date in 1561: In Japan the fourth Battle of Kawanakajima is fought between the forces of Uesugi Kenshin and Takeda Shingen, resulting in a draw. #history #grownostr

On today's date in 1356: Basel earthquake, the most significant historic seismological event north of the Alps, destroys the town of Basel, Switzerland. #history #grownostr

On today's date in 1091: London tornado of 1091: A tornado thought to be of strength T8/F4 strikes the heart of London. #history #grownostr

On today's date in 1660: The nine regicides who signed the death warrant of Charles I of England are hanged, drawn and quartered. #history #grownostr