Pope Clement VI issued two papal bulls stating that Jews were not to blame for the Black Death.
Source
Pope Paul VI declared the prohibition of birth control.
Pope Gregory XIII introduced the concept of the Gregorian Calendar to Europe.
The longest papal reign began when Pope Pius IX was elected.
Argentina canonized its first female saint, Saint María Antonia de Paz y Figueroa.
Non-violent protests in Berlin prevent the deportation of 2000 jews.
