Transportation

 US #397 – The first Panama-Pacific commemorative issued in 1913 pictures Vasco Nunez de Balboa, who discovered the Pacific Ocean in 1513.
February 20, 1915

Panama-Pacific Exposition 

On February 20, 1915, the Panama-Pacific Exposition opened in San Francisco, California.

Read Article
 U.S. #4710o from the 2012 Earthscapes issue.
February 10, 1941

First Highway Post Office 

On February 10, 1941, the first Highway Post Office began service in the United States.

Read Article
 US #3182 was issued on this day in 1998.
February 3, 1998

Celebrate the Century Series 

On February 3, 1998, the USPS issued the first sheet in the Celebrate the Century Series.

Read Article
 U.S. #1247 pictures Sir George Carteret and two of his men walking into Elizabethtown in 1664.
December 18, 1787

New Jersey Becomes 3rd State 

On December 18, 1787, New Jersey became the third state to ratify the Constitution and join the Union.

Read Article
1909 2¢ Hudson-Fulton Celebration: Half Moon and Clermont
November 14, 1765

Birth of Robert Fulton

Engineer and inventor Robert Fulton was born on November 14, 1765, in Little Britain, Lancaster County, Pennsylvania.

Read Article
 1987 10¢ Transportation Series: Canal Boat, 1880s
October 26, 1825

Opening of the Erie Canal

On October 26, 1825, the Erie Canal opened, offering a quicker shipping route through New York’s waterways.

Read Article
1929 2¢ Ohio River Canalization plate block
October 19, 1929

Ohio River Canalization Stamp 

On October 19, 1929, the U.S. Post Office issued a 2¢ commemorative honoring the canalization of the Ohio River. Improvements on the river allowed for year-round travel and increased trade.

Read Article
1913 3¢ Parcel Post Stamp - Railway Post
August 28, 1864

Start of Railway Mail Service 

On August 28, 1864, the U.S. Post Office Department created the Railway Mail Service.

Read Article
1971 8¢ Historic Preservation
August 2, 1873

San Francisco’s First Cable Car 

On August 2, 1873, Clay Street Hill Railroad inaugurated San Francisco’s now-famous cable car system.

Read Article