[2] At the 1st World Scout Jamboree in London Father Jacques Sevin SJ of France, Jean Corbisier of Belgium and Count Mario di Carpegna of Italy decided to create an international umbrella for Catholic Boy Scouts.

Pope Benedict XV supported this idea and in 1922 Catholic Boy Scouts from Argentina, Austria, Belgium, Chile, Ecuador, France, Italy, Luxembourg, Poland, Spain and Hungary created this umbrella organisation.

1946 and 1947 the contacts between the Catholic Scout associations were reestablished and since 1948 conferences took place every year[1] i.e. in 1958 in Vienna.

At the 20th World Scout Jamboree i.e. there was a special award issued by ICCS and an order of mass[12] and a song book[13] was published.

[23] 56 Scouts und Scoutleaders from Egypt, Germany, Italy, Lithuania, Portugal, Spain, Czech Republic and Hungary took part in this international week.

[26] ICCS not only takes part in the activities of World Scouting, but also supports events of the Catholic Church.

[28] ICCS hold regularly courses and camps for Scouts, Scoutleaders and chaplains and regional and world level.i.e.