Alongside Britain and Australia, New Zealand was one of the first countries to become involved in the global conflict precipitated by Germany's invasion of Poland on 1 September 1939.
Alongside Britain and Australia, New Zealand was one of the first countries to become involved in the global conflict precipitated by Germany's invasion of Poland on 1 September 1939.
Pioneering heart surgeon Brian Barratt-Boyes performed the surgery using a heart-lung bypass machine. The procedure, at Green Lane Hospital in Auckland, was carried out on an 11-year-old girl with a hole in her heart.