4 October 2018 - ruled by
< yesterday --
tomorrow >
A school is ruled by a principal, therefore it is a principality.
China is ruled by a secretary, therefore it is an office. The Soviet
Union was ruled by a committee, therefore it is defunct.
clue:
Why does English have so many different names for different bosses?
Some languages use a construction similar to “chief of X” for a wide
range of X.
take oh take this clue away