Do the years since 1914 confirm or undermine enlightenment predictions

Enlightenment principles called for freedom of thoughts,individualism, liberty, skepticism and reason,especially skepticism to traditional religious views.

The period after the ww1 broke out, saw an increased wave of revolutions,across the century, agitating for freedom and liberty, as well as the fall of collectivization or communism to the rise of capitalism, and increased secularization of society. enlightenment thoughts were therefore highly successful.

In 911, a group of vikings lead by rollo besieged paris and chartres. after a victory near chartres on 26 august, charles decided to negotiate with rollo. the talks were led by hervé, the archbishop of reims. this resulted in the treaty of saint-clair-sur-epte, which granted rollo and his soldiers all the land between the river epte and the sea. it also granted him brittany, "for his livelihood". at the time, brittany was an independent land which france had not been able to conquer. in exchange, rollo promised the king his loyalty and military assistance when needed. also rollo also agreed to be baptised and to marry gisela, the king's daughter. the territory given rollo is about the same as upper normandy. this would grow to become normandy under rollo's descendants. - wikepedia