Launch of the SS Adriatic
On April 7, 1856, the SS Adriatic was launched. It was the largest and fastest ocean liner in the world and considered a modern marvel at the time. It was also the first ship pictured on a US stamp.
Mail Delivery
$1 Airlift Stamp
On April 4, 1968, the USPS issued a $1 stamp that, when combined with a parcel post stamp, was used to send mail and packages to American service members overseas.
Inaugural Run of the Pony Express
On April 3, 1860, the Pony Express made its first trip from St. Joseph, Missouri, to Sacramento, California. Though short-lived, the Pony Express was a revolution in communication, able to transport important letters across the country more than twice as fast as the existing overland mail system.
First Commercial Telegraph Service
On April 1, 1845, the US Post Office Department inaugurated the first commercial telegraph service.
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.
Newspaper & Periodical Stamps
On March 3, 1863, an Act of Congress granted postal agents the ability to accept newspaper bundles, which would lead to the first US Newspaper and Periodical stamps two years later.
America’s First Perforated Stamps
The earliest known use of a US perforated postage stamp was on February 28, 1857. Perforations were introduced to make separating stamps quicker and easier.
First Contract Airmail Flight
On February 15, 1926, the first contract airmail flight was made between Michigan and Ohio. Three stamps were issued for this service during its first two years.
Famous Americans Series Begins
On January 29, 1940, the US Post Office Department issued the first stamps in the Famous Americans Series. It honors 35 Americans from 7 professions based on recommendations submitted by the public.