the first fa cup final
Yes, "second annual" is correct to use if an event has occurred for the second time as an annual occurrence. However, some style guides recommend using terms like "second-year" to avoid the implication that the event has been established as an annual tradition.
The event after the first and second events but before the fourth, of course!
Football
exploration
A+ answer is exploration.
Battle of Lexington and Concord
exploration
The formation of the Earth is the earliest geologic event.
World War 1
Johannes Gutenberg invented the first printing press
There is absolutely no way to answer this question because the first fermentation occurred eons before mankind was around to record the event.
Myth indicates that this event occurred in India in about 6,000 BC.