Zionist World Congress. 1897. Defined Basel Program to establish Palestinian Homeland. Herzl.

Zoroastrianism. 550BC-650. Monotheistic, dualist national religion of Persia. =Parsiism. Zoroaster.

Zuiderzee. Netherlands. 13C. Floods caused by storms. 1927-32 Dam built. 1930s Land reclaimed. 1944 Flooded by Nazis. 1946 reclaimed.