1993 (MCMXCIII Roman numerals are a numeral system of ancient Rome based on letters of the alphabet, which are combined to signify the sum of their values. The first ten Roman numerals are:) was a common year starting on Friday This is the calendar for any common year starting on Friday . Examples: Gregorian years 1993, 1999 & 2010 or Julian years 1910 & 1899 (see bottom tables) (link will display full 1993 Gregorian calendar The Gregorian calendar is the internationally accepted civil calendar. It was first proposed by the Calabrian doctor Aloysius Lilius, and decreed by Pope Gregory XIII, after whom the calendar was named, on 24 February 1582 by the papal bull Inter gravissimas. It was adopted later that year by a handful of countries, with other countries adopting).
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