"Freedom is never more than one generation away from extinction. We didn't pass it to our children in the bloodstream. It must be fought for, protected, and handed on for them to do the same." - President Ronald Reagan
The horror that was World War II began with the combined invasion of Poland by Germany and the Soviet Union, and continued for the next 6 years, claiming the lives of untold millions of people, the largest global war to date.
And the rest, shall we say, is history.