During World War II, the Australian I Corps HQ moved to Greece in April 1941. As the corps also controlled the New Zealand 2nd Division (along with Greek and British formations), it was officially renamed ANZAC Corps in April. The Battle of Greece was over in weeks and the corps HQ left Greece on 23–24 April, with the name ANZAC Corps no longer being used. Some troops evacuated to Alexandria, but the majority were sent to Crete to reinforce its garrison against an expected air and sea German invasion. Australians and New Zealanders were respectively deployed around the cities of Rethymno and Chania in western Crete with a smaller Australian force being positioned in Heraklion. The invasion began the morning of 20 May and, after the fierce Battle of Crete, which lasted ten days, Crete fell to the Germans