when was this treaty first signed?
6 February 1840.
Treaty of Waitangi
The Treaty of Waitangi () is a treaty first signed on 6 February 1840 by representatives of the British Crown and Māori chiefs (rangatira) from the North Island of New Zealand.
who wrote the english version of the treaty of waitangi William Hobson, with the help of his secretary James Freeman and the British Resident James Busby.
wiki:18876940
Treaty of Waitangi [SEP] Introduction
The Treaty of Waitangi () is a treaty first signed on 6 February 1840 by representatives of the British Crown and Māori chiefs (rangatira) from the North Island of New Zealand. It has become a document of central importance to the history, to the political constitution of the state, and to the national mythos of New Zealand, and has played a major role in framing the political relations between New Zealand's government and the Māori population, especially from the late-20th century. The treaty was written at a time when the New Zealand Company, acting on behalf of large numbers of settlers and would-be settlers, were establishing a colony in New Zealand, and when some Māori leaders had petitioned the British for protection against French incursions.