September 14: Sikorsky's Helicopter, Hindi Day, OPEC and Grace Kelly

On This Day in History September 14, 2020 Historical Events 1752  Britain and the British Empire (including the American colonies) adopt the Gregorian calendar (no Sept 3 - Sept 13) 1936  1st prefrontal lobotomy in America performed by Walter Freeman and James W. Watts at George Washington University Hospital in Washington D.C. 1939  World's 1st practical helicopter, the VS-300 designed by Igor Sikorsky takes (tethered) flight in Stratford, Connecticut 1949  India's Constituent Assembly adopts Hindi as an official language. Celebrated today as Hindi Day. 1956  IBM introduces the RAMAC 305, 1st commercial computer with a hard drive that uses magnetic disk storage, weighs over a ton 1960  Iraq, Iran, Kuwait, Saudi-Arabia and Venezuela form the Organization of Petroleum Exporting Countries (OPEC) More Historical Events Famous Birthdays Alexander von Humboldt (1769 - 1859) Amy Winehouse (1983 - 2011) Margaret Sanger (1879 - 1966) Sam Neill 73rd Birthday More Famous Birthdays Famous Deaths Aaron Burr (1756 - 1836) William McKinley (1843 - 1901) More Famous Deaths September 14: Fatal Legacy of a Beautiful Riviera Two famous American women – Grace Kelly and Isadora Duncan, both died after tragic motoring accidents in the same area on this day, though half a century apart. Read the Article You Might Like Take Our Weekly Quiz You received this email because you opted in at our website, OnThisDay.com Update Your Preferences | Unsubscribe © 2020 OnThisDay.com 2 Acacia Place, Tauranga 3110, New Zealand