This Day That Year

February 13

in History

Otto and the Pope's Pact — Emperor and pontiff divide power in Rome
Rome, ItalyMedieval
962

Otto and the Pope's Pact

Emperor and pontiff divide power in Rome

Emperor Otto I and Pope John XII co-signed the Diploma Ottonianum, a landmark agreement that recognized the pope as ruler of Rome while establishing the emperor's authority over papal elections. This delicate balance of power between church and state defined medieval European politics for centuries. The document formalized a relationship that would generate both cooperation and conflict between popes and emperors for the rest of the Middle Ages.

962 AD
Barbara von Annenkoff Born — A Russian-born star of German cinema
RussiaEarly 20th Century
1900

Barbara von Annenkoff Born

A Russian-born star of German cinema

Barbara von Annenkoff was born in Russia, a future actress who would make her mark on the stages and screens of Germany. Her career spanned both film and theater during a tumultuous era of European history. Emigrating from Russia, she brought a depth of experience and emotion to her performances that reflected the upheavals of the twentieth century, contributing to the rich tapestry of German-language cinema and theater.

1900 AD
World War II — World War II: The siege of Budapest concludes with the unconditional surrender of German and Hungarian forces to the Red Army.
Early 20th Century
1945

World War II

World War II: The siege of Budapest concludes with the unconditional surrender of German and Hungarian forces to the Red Army.

World War II: The siege of Budapest concludes with the unconditional surrender of German and Hungarian forces to the Red Army.

1945 AD