Throughout its history, Lebanon has had diverse relations with a multitude of countries. Many of these relations faded away, others have changed drastically. However, one that has remained little changed and is today as strong as ever, is the relationship with the Holy See. This makes any observer wonder about the reasons for this solid relationship. While reviewing the long years of the history of the relationship between the two countries, this paper aimed at showing how stable and unchanged the Holy See diplomacy was in Lebanon. To do that, it was necessary to start from the very beginning, ...