Birth of Robert Goddard
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On September 29, 1967, the U.S. Post Office issued its first attached pair of stamps to have a continuous design.
On September 25, 1909, the Hudson-Fulton Celebration opened in New York and New Jersey.
On September 17, 1976, America’s first space shuttle, the Enterprise, made its debut public appearance.
Neil Alden Armstrong, the first man to walk on the Moon, was born on August 5, 1930, near Wapakoneta, Ohio.
On May 26, 1928, the U.S. issued its first-ever Airmail booklet – U.S. #C10a.
On May 13, 1918, the United States issued its first airmail stamp – U.S. #C3.
On April 21, 1962, the Seattle World’s Fair, also known as the Century 21 Exposition, opened to the public.
On April 19, 1930, three special airmail stamps, the Graf Zeppelins, were made available for sale to be used exclusively on mail carried via the Graf Zeppelin on its European – Pan American flights the following month.