622622 622 Year 622 (DCXXII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar, the 622nd year of the Common Era (CE) and "Anno Domini" (AD) designations, the 622nd year of the 1st millennium, the 22nd year of the 7th century, and the 3rd year of the 620s decade. The denomination 622 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years. Events. <onlyinclude> </onlyinclude> 622 Year 622 (DCXXII) was a common year