First US Airmail by Balloon
On August 17, 1859, the first airmail in the United States was carried by balloon in Indiana, from Lafayette to Crawfordsville. Of the 123 letters sent by balloon mail, only about 23 are known to still exist.
Mail Delivery
Graf Zeppelin Begins Round-The-World Journey From New Jersey
On August 8, 1929, the Graf Zeppelin departed the airfield in Lakehurst, New Jersey, to return 21 days later. The popularity of this trip created “Zeppelin Mania” and inspired several later flights.
Owney the Postal Dog
On June 11, 1897, the US Railway Mail Service mascot, Owney the Postal Dog, died in Toledo, Ohio. He rode the rails with the mail for nearly 10 years and even took steamships to Europe and Asia, earning international fame!
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.
Special Handling Stamps
On April 11, 1925, the US Post Office issued its first Special Handling stamp, #QE4. Special Handling stamps enabled fourth-class mail to be delivered at the speed of first-class mail, which was especially important since many parcels contained live animals such as young alligators or baby chicks!
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.
$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.