1745

1745 (MDCCXLV) was a common year starting on Friday of the Gregorian calendar and a common year starting on Tuesday of the Julian calendar, the 1745th year of the Common Era (CE) and Anno Domini (AD) designations, the 745th year of the 2nd millennium, the 45th year of the 18th century, and the 6th year of the 1740s decade.

As of the start of 1745, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.