Mystic Stamp Learning Hub

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This Day in History

Learn about the history of US stamps with a daily snapshot of this day in US stamp history.

  • July 21, 2024

    Battle of Guam 

    On July 21, 1944, US troops landed on Guam, initiating a three-week battle to recapture the island. Today, the people of Guam celebrate July 21 as Liberation Day.
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  • Viking I
    July 20, 2024

    Viking 1 Lands on Mars

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  • Moscow Olympics
    July 19, 2024

    1980 Summer Olympics

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  • Ty Cobb
    July 18, 2024

    Ty Cobb Becomes First Member of the 4,000 Hit Club 

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