March 25 is the 84th day of the year in the Gregorian calendar, with 281 days remaining in a leap year. It is often associated with various historical events, including the signing of important treaties and declarations. In many cultures, March 25 is celebrated as the Feast of the Annunciation, marking the announcement by the angel Gabriel to the Virgin Mary that she would conceive Jesus. This day is significant in the Christian calendar and is observed by various denominations around the world, including the Roman Catholic Church and the Eastern Orthodox Church.