Weird earth

This earth has 10 major nations which are:
 * 1) United States of America
 * 2) China
 * 3) Russia
 * 4) Germany
 * 5) Spain
 * 6) United Kingdom of Great Britain, Ireland and France
 * 7) Sweden
 * 8) Canada
 * 9) Switzerland
 * 10) Norway

History
1437: The hundred years war ended with the United Kingdom winning.