On today's date in 41: Cassius Chaerea and disgruntled members of the Praetorian Guard murdered the Roman emperor Caligula, who was succeeded by his uncle Claudius. #history #grownostr

On today's date in 1817: Crossing of the Andes: Many soldiers of Juan Gregorio de las Heras are captured during the action of Picheuta. #history #grownostr

On today's date in 41: Claudius is proclaimed Roman emperor by the Praetorian Guard after they assassinate the previous emperor, his nephew Caligula. #history #grownostr

On today's date in 1968: Vietnam War: The 1st Australian Task Force launched Operation Coburg against the North Vietnamese army and the Viet Cong. #history #grownostr

On today's date in 1651: Arauco War: Spanish and Mapuche authorities meet in the Parliament of Boroa renewing the fragile peace established at the parliaments of Quillín in 1641 and 1647. #history #grownostr

On today's date in 393: Roman emperor Theodosius I proclaims his eight-year-old son Honorius co-emperor. #history #grownostr

On today's date in 1902: In the most fatal recorded mountaineering accident, 199 of the 210 members of an Imperial Japanese Army unit perished in a blizzard on the Hakkōda Mountains. #history #grownostr

On today's date in 1849: Elizabeth Blackwell (pictured) graduated from Geneva Medical College in New York, making her the first woman to receive a medical degree in the United States. #history #grownostr

On today's date in 1264: King Louis IX of France issued the Mise of Amiens, a settlement between King Henry III of England and barons led by Simon de Montfort heavily favouring the former, which later led to the Second Barons' War. #history #grownostr

On today's date in 1368: In a coronation ceremony, Zhu Yuanzhang ascends the throne of China as the Hongwu Emperor, initiating Ming dynasty rule over China that would last for three centuries. #history #grownostr

On today's date in 1849: Second Anglo-Sikh War: The Siege of Multan ends after nine months when the last Sikh defenders of Multan, Punjab, surrender. #history #grownostr

On today's date in 1555: The Ava Kingdom falls to the Taungoo Dynasty in what is now Myanmar. #history #grownostr

On today's date in 613: Eight-month-old Constantine is crowned as co-emperor (Caesar) by his father Heraclius at Constantinople. #history #grownostr

On today's date in 1979: Uganda–Tanzania War: After surrounding Mutukula the previous day, Tanzanian forces attacked the town in the Battle of Mutukula and caused Ugandan forces to flee. #history #grownostr

On today's date in 1555: The Ava Kingdom falls to the Taungoo Dynasty in what is now Myanmar. #history #grownostr

On today's date in 1757: French and Indian War: French regulars, Canadien militia and Indigenous forces ambushed Rogers' Rangers forces in the Battle on Snowshoes. #history #grownostr

On today's date in 763: The Abbasid Caliphate crushed the Alid revolt when a rebel leader was mortally wounded in battle near Basra in present-day Iraq. #history #grownostr

On today's date in 1854: The RMS Tayleur sinks off Lambay Island on her maiden voyage from Liverpool to Australia with great loss of life. #history #grownostr

On today's date in 1981: The DeLorean Motor Company completed the first production car of the DMC DeLorean at its factory in Northern Ireland. #history #grownostr

On today's date in 1535: Following the Affair of the Placards, the French king leads an anti-Protestant procession through Paris. #history #grownostr