1940 – Finland initiates Winter War peace negotiations.1940 – For her performance as Mammy in Gone with the Wind, Hattie McDaniel becomes the first African American to win an Academy Award.1936 – The February 26 Incident in Tokyo ends.1920 – The Czechoslovak National Assembly adopts the Constitution.1916 – In South Carolina, the minimum working age for factory, mill, and mine workers is raised from 12 to 14 years old.1916 – Tokelau is annexed by the United Kingdom.1912 – The Piedra Movediza (Moving Stone) of Tandil falls and breaks.1796 – The Jay Treaty between the United States and Great Britain comes into force, facilitating ten years of peaceful trade between the two nations.
1712 – February 29 is followed by February 30 in Sweden, in a move to abolish the Swedish calendar for a return to the Julian calendar.1704 – In Queen Anne's War, French forces and Native Americans stage a raid on Deerfield, Massachusetts Bay Colony, killing 56 villagers and taking more than 100 captive.1644 – Abel Tasman's second Pacific voyage begins as he leaves Batavia in command of three ships.1504 – Christopher Columbus uses his knowledge of a lunar eclipse that night to convince Jamaican natives to provide him with supplies.(Consequently, February 29 in the Julian calendar falls 13 days later than February 29 in the Gregorian, until the year 2100.) The Julian calendar - since 1923, a liturgical calendar - has a February 29 every fourth year without exception. In the Gregorian calendar (the standard civil calendar used in most of the world), February 29 is added in each year that is an integer multiple of four (except for years evenly divisible by 100, but not by 400). It is also the last day of meteorological winter in Northern Hemisphere and the last day of meteorological summer in the Southern Hemisphere on leap years. It is also the last day of February on leap years. It is the 60th day of a leap year in both calendars, and 306 days remain until the end of the leap year. For other uses, see Leap Day.įebruary 29 is a leap day or "leap year day", an intercalary date added periodically to leap years in the Julian and Gregorian calendars. For the concept of an extended year, see Leap year. The history of the rules is rather involved."Leap Year's Day" redirects here. These three rules are trying to keep the seasons near fixed dates on the calendar, with the first day of spring (the vernal equinox) near March 21.Īlthough other rules have been proposed in attempts to improve on the rules of 1582, none has been adopted for civil purposes. If divisible evenly by 400, a Gregorian year is a leap year so the year 2000 is a leap year.If divisible evenly by 100, a Gregorian year is a normal year with 365 days (e.g.1900/100=19, so 1900 is a normal year of 365 days as is 2100), UNLESS.If divisible evenly by 4, a Gregorian year is a leap year, with a February 29 and 366 days (e.g.The Gregorian calendar's rules for leap years have three parts: "An Act for regulating the Commencement of the Year, and for correcting the Calendar now in use"įirst introduced in 1582 by Pope Gregory XIII as a replacement for the Julian calendar, this calendar is now in worldwide use for civil purposes. The year 2000, like the years 19, is a leap year - with 29 days in February but the years 1900, 1999, 2001, 2002, 2003, 20 are not leap years - and have only 28 days in February.Ĭanada uses the "Gregorian" calendar through the heritage of the British Act of 1750:
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