 | Áed Uaridnach was an Irish king who was High King of Ireland. He is sometimes also known as Áed... more » |
| Álmos, Grand Prince of the Magyars Álmos, also Almos or Almus, was – according to the uniform account of Hungarian chronicles – the... more » |
| Árpád was the head of the confederation of the Hungarian tribes at the turn of the 9th and 10th... more » |
| Óengus of Moray was the last King of Moray of the native line, ruling Moray in what is now... more » |
| Ögedei Khan, born Ögedei was the third son of Genghis Khan and second Great Khan of the Mongol... more » |
 | Öljei Temür Khan, Bunyashir Khan was the Mongol khan of the Northern Yuan Dynasty in Mongolia... more » |
| Örüg Temür or Gulichi was a Mongol leader who temporarily enthroned himself Khan of the Mongols... more » |
| Sultan Mohammed Öz Beg, better known as Uzbeg or Ozbeg, was the longest-reigning khan of the... more » |
| Æthelfrith was King of Bernicia from c. 593 until c. 616; he was also, beginning c. 604, the... more » |
