1858: Max Karl Ernst Ludwig Planck born in Kiel, Schleswig-Holstein, Germany.

1939: The U.S. Civil Aeronautics Authority raises the eligibility age for obtaining a private pilot license to 18 years from the previous 16 years of age.

1945: The United States Navy puts its first radar-guided bomb, the SWOD-9 "Bat" into use, dropping it from Consolidated PB4Y Liberators on Japanese shipping in Balikpapan Harbor.

1962: Ranger 4 - USA Lunar Hard Lander launched. First US lunar impact of the Moon.

1988: The U.S. government’s ban on smoking on flights of two hours or less goes into effect. “No Smoking” signs remain lit on 80% of domestic airline flights. Flight attendants are to be armed with gum and candy for those in anguish.

1994: Airbus delivers the first of 25 Airbus A300-600F dedicated freighters to the specialized package carrier, FedEx. This all-cargo version can carry up to a maximum payload of 120,855 lb over a range of 1,900 nautical miles.