Conversation so far:
What did James Cook do?
On 25 May 1768, the Admiralty commissioned Cook to command a scientific voyage to the Pacific Ocean.
Did James Cook do a good job commanding?
What happen to James Cook in 1769?
James Cook's voyage was to observe and record the 1769 transit of Venus across the Sun, which would help determine the distance of the Earth from the Sun.

Question: What happen in 1770?
Self-contained rewrite: What happen to James Cook in 1770?