728

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Year 728 (DCCXXVIII) was a leap year that began on Thursday in the Julian calendar. It was the 728th year of the Common Era (CE) and Anno Domini (AD), the 28th year of the 8th century, and the 9th year of the 720s decade. The use of the year number 728 began in the early medieval period when the Anno Domini dating system became common in Europe.