Guess the Cricket Ground by Picture (Part 2)

Try to name the 10 most populous urban areas in each of these historical years.

With the help of a map, can you name the countries which existed during the Revolution of 1848?

Click on every square of the world map which contains an urban agglomeration with a population of at least 10 million.

Drag the pin onto the correct country. Careful, though! Three wrong moves and the game ends.