1944 – Allen was born in New South Wales, Australia on February 10, 1944.
1956 – Supported his family by singing in local pubs at the age of twelve.
1959 – Went to Sydney for a greener pasture and met singer Chris Ball.
1964 – While on a tour, he met Judy Garland and her husband. He became close to the Garland family.
1967 – Married Liza Minnelli, Garland’s daughter.
1974 – Wrote the song entitled I Honestly Love You which was sang by John Newton.
1981 – Won a Grammy and an Oscar on Arthur’s Theme for the song entitled Best That You Can Do.
1988 – Collaborated with Harvey Fierstein and Charles Suppon to create the ambitious Broadway musical flop "Legs Diamond."
1992 – Died of an AIDS-related cancer on June 18, 1922.