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  2. March 4 - Wikipedia

    en.wikipedia.org/wiki/March_4

    March 4 is the 63rd day of the year (64th in leap years) ... 1944 – World War II: After the success of Big Week, the USAAF begins a daylight bombing campaign of Berlin.

  3. Names of the days of the week - Wikipedia

    en.wikipedia.org/wiki/Names_of_the_days_of_the_week

    The Babylonians invented the actual [clarification needed] seven-day week in 600 BCE, with Emperor Constantine making the Day of the Sun (dies Solis, "Sunday") a legal holiday centuries later. [2] In the international standard ISO 8601, Monday is treated as the first day of the week, but in many countries it is counted as the second day of the ...

  4. Doomsday rule - Wikipedia

    en.wikipedia.org/wiki/Doomsday_rule

    For January, January 3 is a doomsday during common years and January 4 a doomsday during leap years, which can be remembered as "the 3rd during 3 years in 4, and the 4th in the 4th year". For March, one can remember either Pi Day or "March 0", the latter referring to the day before March 1, i.e. the last day of February.

  5. A Full Calendar of All March Holidays and Observances

    www.aol.com/full-calendar-march-holidays...

    March 4. National Grammar Day. National Hug a G.I. Day. World Obesity Day. ... Sea Week - March 5 to 13. American Chocolate Week, National Anonymous Giving Week - March 19 to 25:

  6. Determination of the day of the week - Wikipedia

    en.wikipedia.org/wiki/Determination_of_the_day...

    For determination of the day of the week (1 January 2000, Saturday) the day of the month: 1 ~ 31 (1) the month: (6) the year: (0) the century mod 4 for the Gregorian calendar and mod 7 for the Julian calendar (0). adding 1+6+0+0=7. Dividing by 7 leaves a remainder of 0, so the day of the week is Saturday. The formula is w = (d + m + y + c) mod 7.

  7. United States presidential inauguration - Wikipedia

    en.wikipedia.org/wiki/United_States_presidential...

    The first inauguration, that of George Washington, took place on April 30, 1789. [citation needed] All subsequent (regular) inaugurations from 1793 until 1933 were held on March 4, the day of the year on which the federal government began operations under the U.S. Constitution in 1789.

  8. Planetary hours - Wikipedia

    en.wikipedia.org/wiki/Planetary_hours

    The planetary hours are an ancient system in which one of the seven classical planets is given rulership over each day and various parts of the day. Developed in Hellenistic astrology, it has possible roots in older Babylonian astrology, and it is the origin of the names of the days of the week as used in English and numerous other languages.

  9. NFL offseason calendar 2025: Important dates, what to know ...

    www.aol.com/nfl-offseason-calendar-2025...

    There are seven months between the Super Bowl's conclusion and the start of Week 1, but almost all the dates on the calendar are booked since the league plans in advance. ... March 4. NFL legal ...