June 6: National Day of Sweden, Eid al-Adha (Islam) Shivaji 1674 – Shivaji (pictured), who led a resistance to free the Maratha from the Bijapur Sultanate and the Mughal Empire, was crowned the first chhatrapati of the Maratha Empire. 1749 – A plot by Muslim slaves in Malta to assassinate Manuel Pinto da Fonseca of the Knights Hospitaller was uncovered. 1813 – War of 1812: The British ambushed an American encampment near present-day Stoney Creek, Ontario, capturing two senior officers. 1912 – The largest volcanic eruption of the 20th century began, forming the volcano Novarupta in the Alaska Peninsula. 1944 – World War II: Operation Overlord, the largest amphibious military operation in history, began with Allied troops landing on the beaches of Normandy in France. Norbert of Xanten (d. 1134)Patrick Henry (d. 1799)Frank Chee Willeto (b. 1925)Louis Andriessen (b. 1939) More anniversaries: June 5 June 6 June 7 Archive By email List of days of the year About