Otto IV | |
Holy Roman Emperor
| |
In office 1209–1215 | |
Preceded by | Henry VI, Holy Roman Emperor |
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Succeeded by | Frederick II, Holy Roman Emperor |
Born | c. 1175/1182[1] |
Died | May 19, 1218 Harzburg |
Otto IV (c. 1175/1182 - May 19, 1218) was Holy Roman Emperor from 1209 until 1215 when he was forced to abdicate.