1928 – Born on the 4th of September in Fort Wayne, Indiana.
1952 – Married his wife, Joan Alt. They had five children.
1959 – York first injured his back while working on the film "They Came to Cordura".
1960 – He played the role of Bertram Cates, the young teacher charged with teaching the theory of evolution.
1964 – Acted as Darrin Stephens in the sitcom "Bewitched". The show was a huge success and York was nominated for an Emmy award.
1969 – He left the series due to a chronic back ailment. He was replaced in the TV series by actor Dick Sargent.
1976 – Was left impoverished after a real estate investment failed, and was on welfare for a time.
1992 – Died on the 20th of February due to emphysema.