I see three criteria here: I'm wondering which historical empire was the most long lived, largest, most populous, and represented the largest percentage of world population. Who controlled the ...
I've read about how the Belgians issued ID cards to the inhabitants of their colony Ruanda-Urundi (later independent under the names of Rwanda and Burundi): Indeed, the Belgian colonists ...
I have heard that India at least was quite profitable for the United Kingdom. However, I do not know of any exact numbers for the annual tax revenue of the colonies in any given year. This book on the ...