The Russian Empire officially comprised a single nation-state which recognized only one single nationality: the Russian ethnic group.

Two visions of what the German Empire should territorially comprise were debated during Bismarck's tenure.

At its height, the British Empire covered a fifth of the Earth's land area and comprised a quarter of its population.

However, originating from the North German Confederation, the Empire never comprised all "German" lands, excluding those Cisleithanian crown lands of Austria-Hungary which had been part of the German Confederation until 1866.

The year is 2447 and the Empire of Earth comprises more than a thousand inhabited systems.

The British Empire comprised the dominions, colonies, protectorates, mandates and other territories ruled or administered by the United Kingdom.

The Holy Roman Empire comprised many petty states numbering more than 300 around 1800 AD.

At its greatest extent, the Empire comprised central Anatolia, the Levant, Mesopotamia, Persia, Turkmenistan, Pamir and the Indus Valley.

Before 1914, the German Empire was much larger than today's Germany, comprising Alsace-Lorraine and the Eastern provinces.