1220s

Template:Decadebox The 1220s was a decade of the Julian Calendar which began on January 1, 1220, and ended on December 31, 1229.

Significant people

• Abu Muhammad al-Wahid, Almohad Caliph of Morocco
• Abu Zakariya, first Sultan of the Hafsid Dynasty of Ifriqiya
• Adolf IV, Count of Schauenburg and Holstein
• Alfonso IX, King of León and Galicia
• Andrew II, King of Hungary and Croatia
• Baldwin II, Latin Emperor of Constantinople
• Konrad I, Duke of Masovia and Kujawy and High Duke of Poland
• Conrad IV, King of Jerusalem
• Chiconquiauhtzin, Tlatoani of Azcapotzalco
• Chūkyō, Emperor of Japan
• Dōgen, founder of the Sōtō school of Zen Buddhism in Japan
• Erik XI, King of Sweden
• Ferdinand III, King of Castile and Toledo
• Saint Francis of Assisi, Roman Catholic saint
• Frederick II, Holy Roman Emperor
• Genghis Khan, first Great Khan of the Mongol Empire
• Emperor Go-Horikawa of Japan
• Emperor Go-Toba of Japan
• Pope Gregory IX
• Henry III, King of England, Lord of Ireland, and Duke of Aquitaine
• Pope Honorius III
• Iltutmish, first Sultan of the Delhi Sultanate
• Jalal al-Din Mangburni, final Sultan of the Khwarazmian Empire
• James I, King of Aragon and Count of Barcelona
• Jochi, Mongol army commander and eldest son of Genghis Khan
• John of Brienne, King of Jerusalem and Latin Emperor of Constantinople
• John I, King of Sweden
• John III Doukas Vatatzes, Emperor of Nicaea
• Emperor Juntoku of Japan
• Al-Kamil, Ayyubid Sultan of Egypt
• Knut II, King of Sweden
• Leszek I the White, Duke of Sandomierz and High Duke of Poland
• Louis VIII, King of France
• Louis IX, King of France
• Lý Chiêu Hoàng, Empress of Vietnam
• Lý Huệ Tông, Emperor of Vietnam
• Manqu Qhapaq, first Emperor of the Inca Empire
• Ögedei Khan, second Great Khan of the Mongol Empire, third son of Genghis Khan
• Olaf the Black, King of the Isles
• Ottokar I, King of Bohemia
• Ramon Berenguer IV, Count of Provence and Count of Forcalquier
• Rǫgnvaldr Guðrøðarson, King of the Isles
• Rujing, Caodong Buddhist monk and Zen master
• Sancho II, King of Portugal
• Stephen Langton, Archbishop of Canterbury
• Subutai, Mongol commander and primary military strategist of the Mongol Empire
• Sukaphaa, first King of Ahom
• Theodore Komnenos Doukas, Despot of Epirus and Emperor of Thessalonika
• Tolui, Mongol commander and regent of the Mongol Empire, fourth son of Genghis Khan
• Trần Thái Tông, Emperor of Vietnam
• Trần Thủ Độ, military commander and regent of the Empire of Vietnam
• Valdemar II, King of Denmark
• Yuri II, Grand Prince of Vladimir
• Yaroslav, Prince of Novgorod
• Yusuf II al-Mustansir, Almohad Caliph of Morocco