31 yesterday.

Dominican Republic on Saturday.

Egypt on Sunday.

The vast majority of the countries on earth became independent after 1800. Only 20 were independent before the start of the 19th century, a mere 10%. By 1900, only 49 or 25% of the world's countries of today were independent.

Many countries became independent following World War II when European powers granted independence to their vast colonial holdings, especially Africa.

Here are the independence days for every country, from the oldest to the youngest...

http://geography.about.com/od/lists/a/independenceday.htm