2002 A.D. Dustin and Ely playing soccer near Castel Del Monte
1250 A.D. December 13 Fredrick II dies of an infection.
1246 A.D. Castel Del Monte was finished.
1224 A.D. Fibonacci and Fredrick II meet at Fredrick's Palazzo in Pisa with math problems, juggling, musicians, knights, dancing like the court activities at his Palace in Palermo.
1194 A.D. December 26 Fredrick II born but parents die soon after.
1186 A.D. Fibonacci moves to Bugia (Bougie) studies math of the day thereafter.
1175 A.D. Fibonacci was born in Pisa.
References:
http://www.stupormundi.it/inglese/Chronology.htm
http://www.stupormundi.it/inglese/gallery.htm