CS Knowledge Base

1084 (MLXXXIV) was a leap year starting on Monday of the Julian calendar, the 1084th year of the Common Era (CE) and Anno Domini (AD) designations, the 84th year of the 2nd millennium, the 84th year of the 11th century, and the 5th year of the 1080s decade. As of the start of 1084, the Gregorian calendar was 6 days ahead of the Julian calendar, which was the dominant calendar of the time.

• May – Sack of Rome by the Normans of Robert Guiscard.

• David I of Scotland