Thomas Davis (Cook Islands politician) serve as High Commissioner to New Zealand. During Davis's first term as Prime Minister, two changes were made to the constitution which altered the symbols of the country. In 1979, the Cook Islands Ensign was adopted to replace the previous flag of 15 yellow stars on a green background. In 1982, "Te Atua Mou E" was adopted as the national anthem of the Cook Islands, replacing "God Defend New Zealand". Davis wrote the music to "Te Atua Mou E" and his wife wrote the lyrics. Davis co-authored the autobiographical "Doctor to the Islands" (1955) and the novel "Makutu" (1960) with
History of the Cook Islands landing in the islands when he set foot on Rakahanga. 1773 — Captain James Cook explored the islands and named them the Hervey Islands. Fifty years later they are renamed in his honour by Russian Admiral Adam Johann von Krusenstern. 1821 — English and Tahitian missionaries land in Aitutaki, become the first non-Polynesian settlers. 1823 — English missionary John Williams lands in Rarotonga, converting Makea Pori Ariki to Christianity. 1858 — The Cook Islands become united as a state, the Kingdom of Rarotonga. 1862 — Peruvian slave traders took a terrible toll on the islands of Penrhyn, Rakahanga and Pukapuka