Flag of the Cook Islands Flag of the Cook Islands The flag of the Cook Islands, officially known as the Cook Islands Ensign, is based on the traditional design for former British colonies in the Pacific region. It is a blue ensign containing the Union Flag in the upper left, and on the right, fifteen stars in a ring. The Union Flag is symbolic of the nation's historic ties to the United Kingdom and to the Commonwealth of Nations. The stars stand for the fifteen islands that make up the Cook Islands (Tongareva, Rakahanga, Manihiki, Pukapuka, Nassau, Suwarrow, Palmerston, Aitutaki, Manuae, Takutea, Atiu, Mitiaro, Mauke,
History of the Cook Islands in 1862 and 1863. 1888 — Cook Islands are proclaimed a British protectorate and a single federal parliament is established. 1900 — The Cook Islands are ceded to the United Kingdom as British territory, except for Aitutaki which was annexed by the United Kingdom at the same time. 1901 — The boundaries of the Colony of New Zealand are extended by the United Kingdom to include the Cook Islands. 1924 — The All Black "Invincibles" stop in Rarotonga on their way to the United Kingdom and play a friendly match against a scratch Rarotongan team. 1946 — Legislative Council is