1893 – He was born Salvatore Antonio Guaragna on the 24th day of December this year in Brooklyn, New York, USA.
1917 – He served in the Navy for about a year, starting in this year. He was stationed in Montauk Point, New York. He was one of the entertainers, and it was around this time that he began writing songs, the first of which was called "How Would you like to be a Sailor," which is believed to be no longer in existence.
1918 – In December of this year, he married Josephine Wensler in this year.They had two children named Harry and Joan.
1920 – Harry got a big break. While playing piano one night in a Brooklyn saloon, two people from the publishing firm Stark & Cowan came in. Harry tried out an early effort on them, one called "I Learned to Love You When I Learned My A-B-C’s," another song that is likely to be gone forever.
1922 – Harry persisted in his writing and in this year finally came up with his first hit, "Rose of the Rio Grande," with lyrics by Edgar Leslie. From then on, steady stream of Harry Warren songs were marketed.
1925 – This year was a very productive year for Warren, and he scored big with "I Love My Baby (My Baby Loves Me)" and "Seminola."
1926 – Brought "Where Do You Work-a John?" and "In My Gondola."
1927 – In this year, a couple of show tunes emerged as well as some moderate hits.
1928 – His very popular "Nagasaki" was born, among others.
1932 – This year was a major turning point in Harry Warren’s music career. This was the year when he was called on to write a score with Al Dubin for a Dick Powell and Ruby Keeler picture entitled "Forty-Second Street."
1935 – He won the Oscar for Best Song with three different collaborating lyricists: "Lullaby of Broadway" with Al Dubin in this year, "You’ll Never Know" with Mack Gordon in 1943, and "On the Atchison, Topeka and the Santa Fe" with Johnny Mercer in 1946.
1939 – His son also named Harry died of pneumonia in this year at age 19.
1956 – The only musical score Warren composed specifically for Broadway was Shangri-La, this year’s disastrous adaptation of James Hilton’s Lost Horizon.
1981 – He died on the 22nd day of September this year.