Flag of New Zealand Flag of New Zealand The flag of New Zealand, also known as the New Zealand Ensign, is a defaced Blue Ensign: a blue field with the Union Flag in the canton, and four red stars with white borders to the right. The stars' pattern represents the asterism within the constellation of Crux Australis, the Southern Cross. New Zealand's first flag, the flag of the United Tribes of New Zealand, was adopted in 1834, six years before New Zealand became a British colony following the signing of the Treaty of Waitangi in 1840. Chosen by an assembly of Māori chiefs at
Crux the Coalsack Nebula. The stars within Crux were known to the Ancient Greeks, where Ptolemy regarded them as part of the constellation Centaurus. They were entirely visible as far north as Britain in the fourth millennium BC. However, the precession of the equinoxes gradually lowered the stars below the European horizon, and they were eventually forgotten by the inhabitants of northern latitudes. By 400 AD, most of the stars in the constellation we now call Crux never rose above the horizon of Athens. The 15th century Venetian navigator Alvise Cadamosto made note of what was probably the Southern Cross on