以传统景观卫星图认中国城市 Chinese cities by traditional landscape satellite images

Name all 50 states in the USA. Easy, right?

Can you type the first 2 letters of each country in 90 seconds?

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

For each of these well-known people, try to guess the year in which they died plus or minus five years.