Fifth Crusade: attempt to march up the Nile to Cairo meets with defeat;
September
Fifth Crusade: ends with a treaty swapping Damietta for the release of the captive crusaders and an eight-year truce.
1225
Spring
Henry I (aged 7) crowned King of Cyprus;
9 November
Frederick II and Yolanda of Jerusalem married in Brindisi.
1226
Frederick II concludes a treaty with sultan of Cairo al-Kamil aimed at his brother al-Mu’assam, Sultan of Damascus; Al-Kamil promises Jerusalem as a reward.
1227
August
Frederick II sets out on crusade but returns due to illness;
September
Pope Gregory IX excommunicates Frederick II;
November-December
Philip d’Ibelin dies; John d’Ibelin elected baillie of Cyprus.
1228
25 April
Yolanda gives birth to a son, Conrad, now king of Jerusalem;
5 May
Yolanda dies;
25 June
Frederick II sails from Brindisi with a small force;
21 July
Frederick II arrives in Limassol;
3 September
Frederick II departs Cyprus for Syria, with King Henry and Cypriot barons now in his army.
1229
18 February
Frederick II signs ten-year truce with al-Kamil partially restoring Christian control of Jerusalem for the duration of the truce;
