Mail Delivery

First US Airmail Flight
On May 15, 1918, America’s airmail service began when two Curtiss Jenny’s departed New York and Washington, DC.

First US Aerogram
On April 29, 1947, the US issued its first aerogram, then called an air letter sheet.

Special Handling Stamps
On April 11, 1925, the US Post Office issued its first Special Handling stamp, #QE4.

Guam Guard Mail Stamps
On April 8, 1930, Guam Guard Mail stamps were introduced for inter-island mail.

Inaugural Run of the Pony Express
On April 3, 1860, the Pony Express made its first trip from St. Joseph, Missouri, to Sacramento, California.

First U.S. Triangle Stamps
On March 13, 1997, the USPS issued its first triangle-shaped stamps to promote the upcoming Pacific ’97 Stamp Show.

The Blizzard of 1888 and Blizzard Mail
On March 12, 1888, a short-lived blizzard mail service delivered letters to New York City during one of the worst storms in history.

Newspaper & Periodical Stamps
On March 3, 1863, an Act of Congress granted postal agents the ability to accept newspapers bundles, which would lead to the first US Newspaper and Periodical stamps two years later.

First Contract Airmail Flight
On February 15, 1926, the first contract airmail flight was made between Michigan and Ohio.