Sweden Adds February 30th: The Calendar Gets Weird
Sweden tried to phase out the Julian calendar gradually — dropping leap days over 40 years instead of jumping forward 11 days at once like everyone else. They skipped 1700's leap day. Then forgot to skip 1704 and 1708. By 1712 they were stuck between calendars, matching nobody. So they added February 30 to catch back up to Julian. Two days that year: February 29 and 30. Both real. The plan failed. They switched properly in 1753.
February 29, 1712
314 years ago
Key Figures & Places
What Else Happened on February 29
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