First Heat-Sensitive Stamp
On June 20, 2017, the USPS issued the first-ever heat sensitive stamp, honoring the total solar eclipse that occurred later that year.
This Day in History
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First U.S. Diamond Stamps
On June 13, 1974, the US issued its first stamps in a diamond shape, honoring our Mineral Heritage.
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Heroes of 2001 Semipostal
On June 7, 2002, the USPS issued the Heroes of 2001 Semipostal stamp.
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Wonders of America Sheet
On May 27, 2006, the USPS issued a stamp sheet honoring 40 American natural and man-made superlatives.
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First Star Wars Movie
On May 25, 1977, the first Star Wars film was released, marking the start of four decades of dedicated fandom.
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Performing Arts Series
On May 24, 1978, the USPS issued the first stamp in the Performing Arts Series, honoring Jimmie Rodgers.
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International Museum Day
On May 18, 1977, the first International Museum Day was celebrated around the world.
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Battle of Spotsylvania Court House
On May 8, 1864, the Battle of Spotsylvania Court House began.
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World’s Columbian Exposition
On May 1, 1893, the World’s Columbian Exposition opened in Chicago, Illinois.
