1231
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| Years: 1228 1229 1230 - 1231 - 1232 1233 1234 | |
| Decades: 1200s 1210s 1220s - 1230s - 1240s 1250s 1260s | |
| Centuries: 12th century - 13th century - 14th century 1231 state leaders | |
| Contents |
Events
- Ardengus becomes bishop of Florence.
- Emperor Frederick II promulgates the Constitutions of Melfi (also known as Liber Augustalis), a collection of laws for Sicily.
Births
Deaths
- June 13 - St. Anthony of Padua
- November 17 - St. Elizabeth of Hungary
- Emperor Tsuchimikado of Japan
- Abd-el-latif, physician and traveler
Monarchs/Presidents
- Aragon - James I King of Aragon and count of Barcelona (reigned from 1213 to 1276)
- Castile - Ferdinand III, the Saint King of Castile and Leon (reigned from 1217 to 1252)
- Navarre - Sancho VII the Strong King of Navarre (reigned from 1194 to 1234)
- Portugal - Afonso II, the Fat, King of Portugal (reigned from 1212 to 1233)af:1231
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