There was no formal process for recognising saints before the sixth century. The earlier saints were simply recognised as saints because of what was known, or believed, about their lives and contributions to Christianity. Thomas was accepted as a saint, because he was said to be a disciple of Jesus.
There are a number of saints named Thomas so you will need to be more specific.
There are a number of saints named Thomas. Please be specific.
The canonization date for Australia's first saint was October 17, 2010.
The canonization date for Australia's first saint is Octover 17, 2010.
Please complete your question. The date for what of Saint Apollonian?
December 29th - the date of his martyrdom in Canterbury Cathedral, 1170.
Saint Adele has an unknown Birth and Death
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.
Saint John was one of the twelve apostles of Jesus, and known to be the one most beloved by Christ. The apostles weren't canonized, but became saints, nonetheless. Therefore, there is no known date of when he became a saint.
There is no Saint Kein. However, if you mean Saint Kevin, Saint Kevin of Glendalough was born about the year 498. The exact date is not known.
The feast day of a saint can be any random date or it may fall on the commemoration day of some event of the saint's life, such as their date of death, the day of their canonization or other such event.
Saint George's Day is the feast day of Saint George. Saint George's Day is celebrated on April 23, the traditionally accepted date of Saint George's death in AD 303.