Spay or Neuter Stamps
On September 20, 2002, the USPS issued the Spay or Neuter stamps in Denver, Colorado. The stamps had been the result of an extensive decade-long letter writing campaign.
Animals
Birth of Alexander Calder
Sculptor Alexander Calder was born on July 22, 1898, in Lawnton, Pennsylvania. He was best known for his moving art “mobiles” stationary sculpture “stabiles” as well as monumental-sized public works.
Trans-Mississippi Stamps Issued
On June 17, 1898, the prized Trans-Mississippi stamps were issued as part of the Trans-Mississippi Exposition in Omaha, Nebraska.
North American Wildlife Sheet
On June 13, 1987, the North American Wildlife sheet became the third US 50-stamp se-tenant. It was also the third stamp issue with a First Day ceremony outside of the US, in Canada.
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!
Flora and Fauna Series
On June 1, 1990, the USPS issued the first stamp in the Flora and Fauna Series, which was born from plans for a Priority Mail stamp in 1987.
Opening of the Brooklyn Bridge
On May 24, 1883, the Brooklyn Bridge opened to traffic after 14 years of construction. It was the world’s longest suspension bridge at the time, measuring 5,989 feet.
Lewis and Clark’s Corps of Discovery
On May 21, 1804, Lewis and Clark’s Corps of Discovery departed St. Charles on the Missouri River to begin their exploration of the American West. Traveling 8,000 miles over 28 months, they provided the first accurate mapping of the US west of the Mississippi River.
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!