What happened in the "D-Day of the South", when southern France was invaded from the sea?

Code named Operation Dragoon, the little-known landings in
southern France took place in mid-August 1944, over two months after the landings in
Normandy.  The idea was two-fold: 1) The German defenses would have been weakened by the
shift of troops and armor north to fight the original landings, so the invasion would be
easier and 2) that it would drain German resources from other fronts, and perhaps enable
the main invasion in the north to breakout and head for the German
border.

Over 100,000 Allied troops were involved in the
first day's landings, and in no small part due to a major attack by the French
resistance and British commandos, they met little resistance.  The British had argued
against the plan rather strongly, thinking the Allies should concentrate on the fight in
Italy and not shift soldiers and materiel from that front, but they were overruled by
Eisenhower, who was the Supreme Allied Commander.