I have a passion for history.
At the Accy High school in the late 60s, history was taught in its historical sequence, starting in the stone age(briefly) and ending 5 years later(in education time

) just before Queen Victoria.
It was always
British history but because of wars and the explorations and conquests which formed the empire, brief snippets of the history of other countries was added in to clarify the then situation.
It is an enormous subject and there is more of it to learn by now

Historians tend to specialise in a particular section in time that interests them most, and teachers do the same.
The part that I had little taught at school is the part that I have taken trouble to discover myself - ancient history, and even pre-history