The Other Capitals of the USA Quiz Information

I will answer that last question myself:

http://www.purposegames.com/game/1073/info
http://www.purposegames.com/game/1461/info

Btw, is there already a game on birthplaces of the US presidents?

There are even more Queen Cities out there. Most of them are listed here along with a short explanation of the name:

http://en.wikipedia.org/wiki/Queen_City

There is also a big list of city nicknames for US cities

http://en.wikipedia.org/wiki/List_of_city_nicknames_in_the_United_States

Maybe inspiration for more games?

Cincinnati, Ohio is also the Queen City. It was given that name by Mark Twain.

Illinois calls their state the "Land of Lincoln" because he practised law there, but my home state of Kentucky claims Lincoln for his birthplace. The Lincoln cabin where Abe was born is on display in Hodgenville, Kentucky.