Technology

Launch of Space Shuttle Atlantis
On October 3, 1985, the Space Shuttle Atlantis made its maiden flight.

Dedication of the Hoover Dam
On September 30, 1935, President Franklin Roosevelt presided over the dedication ceremony of the Boulder Dam.

First Official U.S. Airmail Flight
On September 23, 1911, Earle Ovington made America’s first airmail delivery between Garden City and Mineola, New York.

Birth of Jan Matzeliger
Inventor Jan Matzeliger was born on September 15, 1852, in Paramaribo, Dutch Guyana (present-day Surinam).

First U.S. Combination-Process Coil
On September 2, 1988, the USPS issued its first coil stamp printed by two totally different procedures.

The Moscow-Washington Hotline
On August 30, 1963, the first message was sent on the Moscow-Washington hotline.

Birth of Lee de Forest
Lee de Forest was born on August 26, 1873, in Council Bluffs, Iowa.

First International Polar Year
On August 1, 1882, the first International Polar Year (IPY) began.

Birth of Henry Ford
Industrialist and auto manufacturer Henry Ford was born on July 30, 1863, in Greenfield, Township, Michigan.