Categories Births
Deaths
By country
By topic
Establishments
Disestablishments |
By area
Asia
Europe
By topic
Religion
1241
By area
Africa
Asia
Europe
By topic
Science
Religion
1243
1244
1245
By area
Americas
Asia
Europe
By topic
Arts
Nature
Religion
1247
1248
By place
Africa
Asia
Europe
=Mediterranean=
By topic
Education
Microhistory
Science
Significant people
Fibonacci. Fibonacci sequence and Liber Abbaci
Contents
References
1240s Wikipedia(Text) CC BY-SA