Technology

 US #1434-35 were issued to coincide with the flight of Apollo XV and to mark the 10th anniversary Alan Shepard becoming the first American in space. Click image to order.
July 26, 1971

Launch of Apollo 15

On July 26, 1971, Apollo 15 was launched, bringing the fourth American crew to the Moon’s surface.

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1999 33¢ Celebrate the Century - 1960s: Man Walks on Moon
July 20, 1969

U.S. Lands First Men On The Moon

On July 20, 1969, the US effectively won the Space Race when Neil Armstrong and Buzz Aldrin landed the Eagle lunar module on the Moon’s surface.

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 US #3182e – The original Ferris wheel from the Columbian Expo was brought to St. Louis for the 1904 World’s Fair. Click image to order.
June 21, 1893

Premiere of the First Ferris Wheel

On June 21, 1893, the Ferris wheel debuted at the World’s Columbian Exposition in Chicago.

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 US #1779-82 – The first block in the series.  Click image to order or choose different formats or First Day Covers.
June 4, 1979

American Architecture Series

On June 4, 1979, the USPS issued the first block of four stamps in the American Architecture Series, which honors the evolution of American architecture over the last two centuries.

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 US #1196 pictures the Space Needle and the Alweg Monorail.  Click image to order.
April 21, 1962

Opening of Seattle World’s Fair 

On April 21, 1962, the Seattle World’s Fair, also known as the Century 21 Exposition, opened to the public.

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 US #2573 from the 1991 Space Exploration Issue.
April 5, 1973

Launch of Pioneer 11

On April 5, 1973 (some sources cite April 6 UTC (Coordinated Universal Time), the Pioneer 11 space probe launched from Cape Canaveral, Florida.

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 US #4225 from the 2008 American Scientists set.  Click image to order.
February 28, 1901

Birth of Linus Pauling 

American scientist Linus Pauling was born on February 28, 1901, in Portland, Oregon.

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1959 4¢ Arctic Explorations
January 21, 1954

U.S. Launches First Nuclear Submarine

On January 21, 1954, the USS Nautilus, the world’s first operational nuclear-powered submarine, was launched.

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1949 6¢ Wright Brothers
December 17, 1903

Wright Brothers’ Famed First Flight

On December 17, 1903, brothers Wilbur and Orville Wright made the first successful heavier-than-air flight at Kitty Hawk, North Carolina.

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