August 21 International holidays

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    Number of holidays
    1
    Day of the year
    233
    Days left in the year
    132

    All International holidays on August 21

    Aug21
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    Special Interest

    International Day of Remembrance and Tribute to the Victims of Terrorism
    Upcoming International holidays
    Wife Appreciation Day

    Sep. 21

    Wife Appreciation Day
    Deck the Everything Day

    Nov. 1

    Deck the Everything Day
    National Day of Unplugging

    Mar. 5

    National Day of Unplugging
    Manatee Appreciation Day

    Mar. 31

    Manatee Appreciation Day
    Trending holidays

    May. 17

    Armed Forces Day

    Armed Forces Day

    May. 6

    International No Diet Day

    International No Diet Day

    May. 16

    National Mimosa Day

    National Mimosa Day

    May. 24

    Aviation Maintenance Technician Day

    Aviation Maintenance Technician Day
    Popular August holidays
    National Root Beer Float Day

    Aug. 6

    National Root Beer Float Day
    Late Summer Bank Holiday

    Aug. 31

    Late Summer Bank Holiday
    National Minority Donor Awareness Day

    Aug. 1

    National Minority Donor Awareness Day
    Spider-Man Day

    Aug. 1

    Spider-Man Day

    International holidays on August 21