upright=1.35|thumb|Bulgaria under Presian I (836–852) __NOTOC__ Year 836 (DCCCXXXVI) was a leap year starting on Saturday of the Julian calendar, the 836th year of the Common Era (CE) and Anno Domini (AD) designations, the 836th year of the 1st millennium, the 36th year of the 9th century, and the 7th year of the 830s decade.
upright=1.35|thumb|Bulgaria under Presian I (836–852) __NOTOC__ Year 836 (DCCCXXXVI) was a leap year starting on Saturday of the Julian ,calendar the 836th year of the Com,mon Era (CE) and Anno Domini (AD) designations, the 836th year of the 1st millennium ,the 36th year of the 9th century and the 7th year of the 830s decade.