September 14
Technology Holiday: Programmers’ Day is officially on the books in Russia, but easily celebrated anywhere. It’s the 256th day of the year, natch! (Celebrated on September 12 in leap years.)
Geek Events to celebrate on September 13:
1752 – The British Empire adopts the Gregorian calendar, skipping eleven days (the previous day was September 2)
1959 – The Soviet probe Luna 2 crashes onto the Moon, becoming the first man-made object to reach it.
1984 – Joe Kittinger becomes the first person to fly a hot air balloon alone across the Atlantic Ocean.