Ferdinand Magellan,
but he died halfway through.
Answer: The four most common systems of Greek government were:
Democracy - rule by the people (male citizens).
Monarchy - rule by an individual who had inherited his role.
Oligarchy - rule by a select group of individuals.
Tyranny - rule by an individual who had seized power by unconstitutional means
brainliest?
Great Britain and the British Empire except Scotland started in 1752 and they adopted the Gregorian calendar and 1952 also