728

Year 728 (DCCXXVIII) was a leap year starting on Thursday of the Julian calendar, the 728th year of the Common Era (CE) and Anno Domini (AD) designations, the 728th year of the 1st millennium, the 28th year of the 8th century, and the 9th year of the 720s decade.The denomination 728 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.