- 1783 First hydrogen balloon flight (unmanned) reaches an altitude of 900 m
- 1869 The first international boat race is held on the River Thames; Oxford beats Harvard
- 1896 Britain defeats Zanzibar in a 38-minute war (9:02 am - 9:40 am), the shortest recorded war in history
- 1910 Using twenty 137,000 candlepower arc lights, two amateur baseball teams play a night game at White Sox Park
- 1913 Pyotr Nesterov becomes the first pilot to fly a loop-the-loop in an airplane in Kyiv, Ukraine (New Style: September 9, 1913)
- 1937 George E.T. Eyston sets a world auto speed record of 345.49 mph (556 km/h)
- 1939 Erich Warsitz in a Heinkel He 178 makes the first manned jet-propelled flight with a turbojet engine designed by Hans von Ohain
- 1955 Guinness Book of World Records is first published
- 1961 Francis the Talking Mule is a mystery guest on "What's My Line"
Mary Poppins
1964 Walt Disney's musical film "Mary Poppins," directed by Robert Stevenson and starring Julie Andrews and Dick Van Dyke, with songs by Richard and Robert Sherman, premieres at Grauman's Chinese Theatre in Los Angeles, California, and wins five Academy Awards
First Solo Sail Around the World
1966 British sailor Francis Chichester begins the first solo sail around the world, leaving Plymouth aboard the Gipsy Moth IV and completing it in May 1967
- 1975 First night match at the US Tennis Open (Parun defeats Smith)
- 1975 Veronica and Colin Scargill of England complete their tandem bicycle ride around the world, covering a record 18,020 miles (29,000 km)
- 1981 Divers begin to recover a safe found aboard the Italian liner Andrea Doria, which sank on July 26, 1956, but the safe does not yield the rumored jewels
1985 Mary Joe Fernández, at 14 years and 8 days old, becomes the youngest player to win at the US Tennis Open, defeating England's Sara Gomer 6-1, 6-4 in a first-round match
- 2003 Mars makes its closest approach to Earth in nearly 60,000 years, passing within 34,646,418 miles (55,758,005 km)
- 2012 First interplanetary human voice recording broadcast from Mars Rover Curiosity
