（重定向自918）
| 918年的时间线 |
• 924年 |
In 918, Tegan Jovanka and Professor John Bleak were accidentally sent back in time from the University of Frodsham in 1983 by a time machine created by Bleak's wife Dr Philippa Stone while Princess Ælfwynn was transported forward in time to that year. (AUDIO: The Lady of Mercia)