Augustissimae Virginis Mariae
Encyclopedia
Encyclical
An encyclical was originally a circular letter sent to all the churches of a particular area in the ancient Catholic Church. At that time, the word could be used for a letter sent out by any bishop...
by Pope Leo XIII
Pope Leo XIII
Pope Leo XIII , born Vincenzo Gioacchino Raffaele Luigi Pecci to an Italian comital family, was the 256th Pope of the Roman Catholic Church, reigning from 1878 to 1903...
. It was issued on 12th of September, 1897 in Saint Peter's Basilica in Rome.