No one knows the exact date. She was proclaimed a saint by popular acclamation long before there was an official procedure in the Vatican for canonization. She is classified as a "pre-congregational" saint - before the Sacred Congregation for the Causes of Saints was established.
Saint Sebastian was canonized by the Catholic Church in the early Christian era, although the exact date is not clear due to historical discrepancies. It is believed that he was venerated as a saint since the 4th century.
St. Agnes was not canonized. She was proclaimed a saint by earlyChristians because of her martyrdom. The canonization process did notcome into existence until the 12th century. In the primitive Church,martyrs were immediately recognized as witnessing to the perfection ofChristian life on earth, having shown the ultimate proof of their love forChrist by the offering of their lives. By the sacrifice of their livesfor Christ, they attained Heaven in eternal glory and were indissolublyunited to the Lord, the Head of the Mystical Body.
Bernadette of Lourdes was canonized on December 8, 1933, by Pope Pius XI
Monica was not canonized as the process did not become instituted until the 12th century. She was proclaimed a saint by the local Christian community, probably not long after she died.
Rarely. It is frequently the date of their entry into Heaven (date of death) but it can be any date.
The date is unknown because she was canonized pre-Congregation, meaning, before the establishment of the Sacred Congregation for Rites (1588 AD). Saint Demetria died c. 363 AD.
Apparently, Saint Francis was canonized directly without having to be named venerable, or blessed. He was canonized on July 16, 1228, just 2 years after his death.
Saint Alice who lived in Belgium from 1204-1250 was officially canonized in 1907 by Pope Pius X. Her cultus however, existed prior to this date.
Saint Afra was not canonized. She was proclaimed a saint by early Christians because of her martyrdom in the year 304. The canonization process did not come into existence until the 12th century. In the primitive Church, martyrs were immediately recognized as witnessing to the perfection of Christian life on earth, having shown the ultimate proof of their love for Christ by the offering of their lives. By the sacrifice of their lives for Christ, they attained Heaven in eternal glory and were indissolubly united to the Lord, the Head of the Mystical Body.
New canonizations occur every few months. To see the latest click this link.
We do not know the date but she was probably born sometime in the later part of the 3rd century.
The date of canonization refers to when an individual is officially recognized as a saint by the Catholic Church. Canonization typically involves a formal process and declaration by the Pope, confirming the individual's status as a saint.