Outbreak of World War I. New Zealand commits thousands of troops to the British war effort. They suffer heavy casualties in the Gallipoli campaign in Turkey in 1915.
1923 · New Zealand's Claim to Antartica
The Ross Dependency is a New Zealand dependency located on the Antarctician Continent. It is the only settlement on the Antartica that is claimed by a sovereign nation. New Zealand still owns claim even after the Antarctic Treaty that was signed in 1959 by 11 other nations.
WWII. Troops from New Zealand see action in Europe, North Africa and the Pacific during World War II.