Oil. The 1909 discovery of oil in Iran was the start of the Arabic world's transformation into an oil-rich region.

Joseph Stalin. Stalin suffered from high blood pressure and was in a coma for four days prior to his death.

Germany. Tremendous countrywide unemployment in Germany is one of the reasons that Adolf Hitler gained power.

Tojo. As a result of his work on the Russo-Japanese peace treaty, Theodore Roosevelt was awarded the Nobel Peace Prize in 1906.

World War I. The U.S. entered WW I to protect the people, and land.

Princess Victoria. Crown princess Victoria is old enough to replace her father.