After many tries, i have finally gotten a French Major Victory! you really gotta be ballsy!
"French Major Victory - Wellington's army is decimated and Blucher's mauled. With Brussels captured many of Wellington's remaining troops defect back to their former master. With so few remaining troops left, Wellington embarks for England and safety. Left without its allied supporting army the Prussians decide to make the best of a bad situation and make peace with Napoleon. Austria and Russia with two allies now gone, quickly follow suit The napoleonic era continues."