Christopher was not canonized in 1960. He is a legendary saint who may, or may not have existed. Tradition tells us he was a martyr for his faith in the early years of the church. There was no official canonization process at the time so Christopher would have been declared a saint by popular acclamation, probably to a bishop.
St. Clare of Assisi was canonized on September 26, 1255, by Pope Alexander IV.
St. Etheldreda was canonized by Pope Celestine III in 1198.
St. Catherine of Siena was canonized by Pope Pius II on June 29, 1461.
Pope John XXII canonized St. Thomas Aquinas in 1323.
Maria Goretti was canonized by Pope Pius XII.
If you are referring to St. Francis of Assisi he was canonized on July 16, 1228, by Pope Gregory IX.
St. Eligius was canonized in the Pre-Congregation era. This was when people were often canonized because of their popularity while they were alive.
St. Christopher was neither beatified nor canonized.
St. Louis IX of France was canonized on August 11, 1297 by Pope Boniface VIII.
St. Benedict was canonized in the year 1220 by Pope Honorius III.
He was canonized on June 29,1867, by Blessed Pope Pius IX.
St. Catherine of Alexandria was canonized by popular devotion rather than by an official process.