1. A Crusade from 1228 to 1229 led by the Holy Roman Emperor Frederick II who fell ill and was excommunicated by the Pope; by negotiation Frederick II was able to crown himself king of Jerusalem

Type of: Crusade

Encyclopedia: Sixth Crusade

• oecumenical
• oecumenism
• OED
• oedema
• Oedipal
• Oedipal complex
• Oedipus
• Oedipus complex
• Oedipus Rex
• Oedogoniaceae
• Oedogoniales
• Oedogonium
• oeil de boeuf
• OEM
• Oenanthe
• Oenanthe aquatica
• Oenanthe crocata
• Oengus
• oenologist
• oenology
• oenomel
• oenophile
• Oenothera
• Oenothera biennis
• Oenothera fruticosa