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From National Pizza Day to National Puppy Day: Why so many national days have filled the calendar
National Day Calendar recognizes over 3,000 special days, weeks and months that are celebrated worldwide. The days honour everything from jelly beans to beer cans — but if every day is special, is any day truly special?
First seen · 8:00 AM UTCApril 27, 2026
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Koningsdag
The Netherlands turns orange for King Willem-Alexander's birthday. Canal boats blast music, the entire country becomes a flea market, and Amsterdam is best avoided if you dislike crowds.
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Open →Public holiday
King's Day
King's Day is observed in Netherlands (Koningsdag). Recognized nationally.
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Open →Public holiday
Anzac Day
Anzac Day is observed in New Zealand. Recognized nationally.
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Open →Public holiday
Day of Uprising Against Occupation
Day of Uprising Against Occupation is observed in Slovenia (dan upora proti okupatorju). Recognized nationally.
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Open →Also on this date in history
All →2018
The Panmunjom Declaration is signed between North and South Korea, officially declaring their intentions to end the Korean conflict.
Milestone2012
At least four explosions hit the Ukrainian city of Dnipropetrovsk with at least 27 people injured.
Milestone2011
The 2011 Super Outbreak devastates parts of the Southeastern United States, especially the states of Alabama, Mississippi, Georgia, and Tennessee. Two hundred five tornadoes touched down on April 27 alone, killing more than 300 and injuring hundreds more.
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