From Pius IX onwards, popes began to market their works using new techniques, especially photography. Leo XIII still used coloured postcards for the Holy Year of 1900. This Holy Year was difficult because the Roman question had not yet been resolved, which only happened in 1929 with the Lateran Treaties.
- Details
- Written by: Stefan Heid
- Category: Roman notes
Römisches Institut der Görres-Gesellschaft












