Airmail
First Phosphorescent U.S. Stamps
On August 1, 1963, the U.S. Post Office experimented with luminescent stamps for the first time, in an effort to speed up mail sorting and cancellation.
First Canal Zone Stamps Issued
On June 24, 1904, the US issued its first stamps for use in the Canal Zone.
First U.S. Airmail Booklet
On May 26, 1928, the U.S. issued its first-ever Airmail booklet – U.S. #C10a.
Discovery of the Inverted Jenny
On May 14, 1918, stamp collector William Robey discovered the now sought-after Inverted Jenny, #C3a.
America Issues First Airmail Stamp
On May 13, 1918, the United States issued its first airmail stamp – U.S. #C3.
Start of Scenic American Landscapes Series
On May 12, 1999, the USPS introduced a new series of Airmail stamps – the Scenic American Landscapes.
Graf Zeppelins Issued
On April 19, 1930, three special airmail stamps, the Graf Zeppelins, were made available for sale to be used exclusively on mail carried via the Graf Zeppelin on its European – Pan American flights the following month.
China Clipper Inaugurates Trans-Pacific Airmail
On November 22, 1935, the China Clipper made its first airmail voyage across the Pacific Ocean.
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.