Technology

1966 8¢ Prominent Americans: Albert Einstein
July 16, 1945

First Successful Test of Atomic Bomb 

On July 16, 1945, members of America’s Manhattan Project held their first successful test of the atom bomb in Alamogordo, New Mexico.

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1987 22¢ Bicentenary Statehood: Massachusetts
June 5, 1978

Lowell National Historical Park

On June 5, 1978, Lowell National Historical Park was founded in Massachusetts. Lowell has been called the “Cradle of the American Industrial Revolution,” for the important role it played in the rise of America’s textile industry.

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2008 41¢ American Scientists: John Bardeen
May 23, 1908

Birth of John Bardeen

Physicist John Bardeen was born on May 23, 1908, in Madison, Wisconsin.  Bardeen helped develop the transistor, which made possible the invention of almost every modern electronic device.

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1990 25¢ Plastic Flag
May 18, 1990

First USPS ATM Stamp

On May 18, 1990, the USPS issued an experimental plastic stamp to test the popularity of selling stamps through Automatic Teller Machines (ATMs). While the plastic stamp proved unpopular, especially with environmentalists, the ATM format proved to be a success.

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1965 11¢ International Telecommunication Union
May 17, 1865

The International Telecommunication Union

On May 17, 1865, the International Telegraph Union (ITU), which later became the International Telecommunication Union, was founded. The first international standards organization, it established basic principles for international telegraphy.  It later became an agency of the United Nations.

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2001 34¢ Diabetes Awareness
April 2, 1940

American Diabetes Association

On April 2, 1940, the Committee for the Establishment of a National Diabetes Association was formed, paving the way for the creation of the American Diabetes Association (ADA). Today it’s one of the top non-profit charity organizations in the country.

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1981 20¢ Fire Pumper
March 27, 1841

First U.S. Steam Fire Engine

On March 27, 1841, the first steam-powered fire engine was tested in New York City. Though that first engine was only in use for a short time, it marked the start of a new era in firefighting…

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1987 22¢ Steam Locomotives: Gowan & Marx
February 20, 1840

Impressive Run of the Gowan & Marx

On February 20, 1840, the Gowan & Marx made an impressive run, hauling more than 100 cars weighing 423 tons. It was one of the earliest 4-4-0 locomotives with equalizing levers and became internationally known for hauling a train 40 times its own weight.

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1996 32¢ Pioneers of Communication: Frederic E. Ives
February 17, 1856

Birth of Frederic Ives

Frederic Eugene Ives was born on February 17, 1856, in Litchfield, Connecticut. He developed the first successful half-tone process and invented the “Kromskop,” which projected three identical images through different colored filters to produce some of the first color photographs.

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