The Butterfly Effect From Hell: 7 Smallest Errors With Largest Ripple Effects

The success of the D-Day landing at Normandy was made possible because of a birthday party
In 1944 German Reich Field Marshal Erwin Rommel was left in charge of the defense of Europe from the Allied Forces, but he decided to take a day-off and head back to Berlin – it was his birthday. On that day, June 6, the allied soldiers stormed the beaches of Normandy, France, which was the beginning of the end of WWII in Europe. From this point on, with one small exception (the Battle of the Bulge) German forces would be on the defensive and retreating back to Germany. Hitler never gave his Generals their birthdays off from that point on.
