Westward mail service begins, moving from Philadelphia as far west as Pittsburgh.

The USPS issues its first semi-postal stamp, with profits over the cost of a standard stamp going to Breast Cancer Research.

The US Government bans the purchase and importation of Rhodesian stamps as part of their reaction to modifications to the nation's constitution that disenfranchised the majority Black community.

Steam packet “Columbia" arrives at Charleston, South Carolina with several mailbags stuffed with abolitionist pamphlets. The next day a group storms the post office, steals mail bags out of the post office and destroys them.

US Postal Service issues a series of stamps celebrating classic American dolls.

Boilers aboard the Steamboat “Henry Clay" explode while the ship is racing the steamer "Armenia." At the time, steamboat races were popular activities. Steamers carried mail on American waterways through much of the 19th century.

Joseph Habersham, Postmaster General (1795-1801), is born in Savannah, Georgia.

Montgomery Blair, Postmaster General (1861-1864), dies in Silver Spring, Maryland.

Fire is discovered in the engine room of the steamship “Golden Gate" about fifteen miles from Manzanillo, Mexico. About 200 passengers and crew were lost in the disaster, along with the mail and over $1 million in gold.

A 4-wheeled prototype of the mailster vehicle, (the final design had three wheels) to be used by letter carriers, is crafted by Cushman corporation is tested in Miami, Florida.