Sahara Cities Map Quiz

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.

Click on the first names of first ladies of the United States. But three wrong guesses ends the quiz.

You will be shown 10 random numbers between 1 and 100 without knowing what's next. Your task is to put them in order! But beware, if a number cannot be placed, the quiz ends...