21year 2months 7 days
Gu An was born in 1289.
Jacopo Alighieri was born in 1289.
Zhao Yong was born in 1289.
Frederick the Fair was born in 1289.
Go onto calculator. Type in 1289. + 801=2090 -80 from 801=721 1289 + 721= 2010 So Conway castle is 721 years old
Elizabeth de Burgh was born in 1289.
Bernardo de Cabrera was born in 1289.
William de Shareshull was born in 1289.
King Wenceslaus III of Bohemia was born on October 6, 1289 and died on August 4, 1306. King Wenceslaus III of Bohemia would have been 16 years old at the time of death or 725 years old today.
Wenceslaus III of Bohemia was born on 1289-10-06.
Louis X of France was born on 1289-10-04.
Tran Nu Yen Khe was born in 1968.