On August 16, 1939, the world’s first undersea post office opened in the Bahamas. It was developed by an undersea photographer and garnered significant interest from around the world. Decades later, more underwater post offices and post boxes were established in other countries, many of which are still in operation today…
On August 12, 1918, the US Post Office Department took over control of airmail service from the US Army Air Service. Under the Post Office Department, the service flourished, leading to transcontinental airmail service, which was eventually taken over by private companies.
On July 26, 1971, Apollo 15 was launched, bringing the fourth American crew to the Moon’s surface. Apollo 15 would become the first of three extended missions to the moon, known as K missions. The mission was more focused on science than previous landings had been. It also marked the first use of the lunar rover.
On July 22, 1929, catapult mail was successfully launched from a German ship to New York. Catapult mail cut down on transatlantic delivery times until advances in aviation enabled planes to make the entire journey even faster.
On July 17, 1987, the USPS issued its first joint issue with Morocco, commemorating 200 years of diplomatic relations.
On July 7, 1838, Congress approved an act that declared all United States railroads as post roads. This would lead to a dramatic increase in the use of railroads to deliver mail.
On July 1, 1851, several stamps from America’s second series of postage stamps were issued. These new stamps were issued to meet reduced postal rates that practically eliminated distance as a factor.
On June 15, 1942, the Post Office Department inaugurated its V-Mail service. During World War II, letters bound for service personnel were photographed and transferred to microfilm. This special process enabled letters to take up a fraction of their usual space on planes going to war zones, allowing more room for crucial supplies.
On June 10, 2005, the Bureau of Engraving and Printing (BEP) printed its last US stamp. The Bureau first began printing US postage stamps in 1894 and for 75 years, printed nearly all US stamps.