1. Which order did Leo join?
1. Which order did Leo join?2. Under whom did Leo serve in the Curia?
3. Who created Leo cardinal?
4. When was Leo IV pope?
5. Against whom was the alliance formed by Leo IV was victorious off Ostia in 849?
6. Which town was named Leopoli in honour of Leo IV?
7. Whom did Leo IV crown co-emperor?
8. Who was the archbishop of Reims censured by Leo IV?
9. Who was the cardinal excommunicated by Leo IV?
10. When did Leo IV die?