Conversation so far:
Where did Captain Cook go on his first voyage?
The first voyage of James Cook was a combined Royal Navy and Royal Society expedition to the south Pacific Ocean
Which islands did James Cook visit in the Pacific on his first voyage
James Cook set sail into the largely uncharted ocean to the south, stopping at the Pacific islands of Huahine, Borabora and Raiatea to claim them for Great Britain

Question: Tell me something noteworthy that happened on his first voyage?
Self-contained rewrite: Tell me something noteworthy that happened on James Cook's first voyage?