second battle of Ypres
— Noun
– English
~ battle in World War I (1915); Germans wanted to try chlorine (a toxic yellow gas) as a weapon and succeeded in taking considerable territory from the Allied salient
Salah-ad-Din Yusuf ibn-Ayyub
— Noun
– English
~ sultan of Syria and Egypt; reconquered Jerusalem from the Christians in 1187 but was defeated by Richard Coeur de Lion in 1191 (1137-1193)