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14 matches to Gregorian Calendar
Gregorian Calendar. 1582. 11 Day correction and addition of non-leap centuries to Julian Calendar. Adopted 1752 England, 1918 Russia.
Gregory XIII. 1502-85. Pope 1572-. Gregorian calendar.
Gregory I, St. Benedictine Pope 590-604. Developed Plainsong, Gregorian chant. Sent Augustine to Canterbury.
Plainsong. Gregorian chant. Singing in unison without harmony.
Brumaire. 2nd Month of French Revolutionary calendar.
Caesar, Julius. 100-44BC. Roman general. 58BC conquered Gaul. 55BC Invaded Britain. 49BC Crossed Rubicon. Established Julian calendar. de Bello Gallico 51BC. Assassinated.
Christian Era. 1 AD to present. Jewish Era. Muhammadan Era. Julian Calendar.
French Republican Calendar. 1793-1805. 12 30 day months of 3 “decades”. 5-6 holidays at end of year.
Hijrah. (Hegira). 622. Muhammed’s flight from Mecca to Medina. Begins Moslem calendar.
Julian Calendar. 45BC-1582. Julius Caesar’s 90 day correction to calendar. Changed to 365.25 day year. Corrected by Gregory. Christian Era.
Muhammadan Era. Began 622 AD, AH 0 of Islamic Calendar. Dates from Hijrah. Christian Era.
Nicholas of Cusa. 1401-64. German. Proposed heliocentricity, calendar reform 1429. De Docta Ignorantia 1440. “A learned man is one who is aware of his own ignorance.”
Sosigenes of Alexandria. 1C BC. Astronomer. Julian calendar.
Sothic Cycle. -238BC. 1460 year Egyptian 365 day calendar cycle.