John Cage's Rules For Learning

Of course you'll have to click on the image, it's much too small to read like this.

Czechs & Slovaks in American History

The Library of Congress offers a "European Reading Room" with a special projects section on their website. Each provides a historical timeline for the important contributions of particular immigrants to helping shape the USA, or what is most commonly referred to as "America" when abroad (sorry, Canada).

Czechs in American History

Slovaks in American History

There are also links to pages on the Finns, Germans, Portuguese & Luxembourgers on the main Special Projects page.