Hardly. Try the Great Schism of 1054.You're familiar with the history of the catholic church then.
As to launching wars, the spat between England and Spain and later France just because 'enry the eighth told the Pope to do one, must have been the first great punch up between Christians. Northern Europe joined in a bit later when Luther among others also told the Pope to do one.
This might have been good news for the Jews as it was bound to have taken the heat of them for a while. They might even have thought that it was all their birthdays and
Christmaseserm Passover Feasts rolled into one.