Timeline-Radon

=1150-Pisa had colonies and port privileges in the Mediterranean= =1173-Leaning tower of Pisa built= =1175-Born in Pisa, Italy = =1181-Francis of Assisi was born= = 1189- 3rd Crusade begins = = 1192- 3rd Crusade ends = =1192-Father brings him to Bugia, probably to learn the trade of merchant= =1198-Pope Innocent III becomes pope= =1199-War between Pisa and Venice begins= =1200-Returned from travels to Egypt, Syria, Sicily, and Provence= =1202-Wrote //Liber Abbaci//= =1206-War between Pisa and Venice ends= =1215-Magna Carta= =1216-Pope Innocent III dies= =1220-Met with Emperor Frederick= =1220-Wrote //Practica Geometriae//= =1225-Wrote //Liber Quadratorum//= =1225-Wrote //Flos//= =1226-Francis of Assisi died= =1250-Died in Pisa, Italy =