845

{| align=right cellpadding=3 id=toc style="margin-left: 15px;"\n|- \n| align="center" colspan=2 | Years:
841 842 843 844 - 845 - 846 847 848 849\n|-\n| align="center" colspan=2 | Decades:
810s 820s 830s - 840s - 850s 860s 870s\n|- \n| align="center" | Centuries:
8th century - 9th century - 10th century\n|}

Table of contents

1 Events 2 Births 3 Deaths

Events

\n* March 28 - Paris is sacked by Viking raiders, probably under Ragnar Lodbrok, who collect a huge ransom in exchange for leaving.\n* Vikings also sack Hamburg and Melun.

Births

Deaths

\n*Michael I, Byzantine Emperor (811-814)\n*al-Khwarizmi, mathematician (approximate date) \n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n