What is a good topic sentence for the 4 ancient empires?

You can start with did you know... or many ancient empires are know for

Explanation: hope this helps  :)

on november 6 and 7, 1917 (or october 24 and 25 on the julian calendar, which is why the event is often referred to as the october revolution), leftist revolutionaries led by bolshevik party leader vladimir lenin launched a nearly bloodless coup d'état against the duma's provisional government.