Question: "When I Fall in Love" is a popular song, written by Victor Young, the song has become a standard, with many artists recording it, though the first hit version released in July 1952 was sung by Doris Day, an American actress, singer, and animal welfare activist, she began her career as a big band singer, in which year?

Context articles: Doris Day discography
Dedication and Everlasting Love to Animals Rescue
One More Time (1931 song)
When I Fall in Love
Alice Morgan Wright
Leo Grillo
Doris Day filmography
I Have Dreamed (song)
Doris Day
Around the World (1956 song)

The following is a complete discography for American singer and actress Doris Day.
 Day's entertainment career spanned almost 50 years.
 She started her career as a big band singer in 1939, and gained popularity with her first hit recording, "Sentimental Journey" in 1945.
 In her solo career she recorded more than 650 recordings on the Columbia Records label from 1947 to 1967.
 She is one of the most popular and acclaimed singers of the 20th century.
Dedication and Everlasting Love to Animals Rescue (D.E.L.T.A. Rescue) is an animal welfare organization based in Acton, California, USA.
 With two hospitals and 150 acre of sanctuaries, it is the largest no-kill, care-for-life sanctuary in the United States.
 With more than 1,500 animals on the property, it is the largest animal rescue of its type in the world.
 Actor/producer/animal welfare activist Leo Grillo is its national president and founder.
 As of 2007, the organization is funded solely on private donations of more than $5.5 million per year.
"One More Time" is a popular song, one of the last written by the songwriting team of DeSylva, Brown, and Henderson.
 It was published in 1931.
 It was the last song recorded by Bing Crosby as a big band singer, before becoming a soloist.
 Crosby recorded the song for Victor Records with Gus Arnheim and his orchestra on March 2, 1931.
 The recording was very popular and reached the charts of the day.
"When I Fall in Love" is a popular song, written by Victor Young (music) and Edward Heyman (lyrics).
 It was introduced in the film "One Minute to Zero".
 Jeri Southern sang on the first recording released in April 1952 with the song's composer, Victor Young, handling the arranging and conducting duties.
 The song has become a standard, with many artists recording it, though the first hit version was sung by Doris Day released in July 1952.
Alice Morgan Wright (Albany, New York, October 10, 1881 - Albany, April 8, 1975) was an American sculptor, suffragist, and animal welfare activist.
 She was one of the first American artists to embrace Cubism and Futurism.
Leo Francis Grillo, Jr. (born 1948) is an American film actor, producer and animal welfare activist.
 He is best known for founding Dedication and Everlasting Love to Animals Rescue (D.E.L.T.A. Rescue), an animal welfare organization based in Acton, California.
 The not-for-profit organization was incorporated in 1981.
 The refuge has grown to become the largest care-for-life animal sanctuary of its type in the world.
The filmography of American actress Doris Day consists of 39 feature films released between 1948 and 1968.
 She began her career as a band singer and eventually won the female lead in a Warner Bros. film "Romance on the High Seas" (1948) replacing Betty Hutton.
 She went on to star in several minor musicals for Warners, including "Tea for Two" (1950), "Lullaby of Broadway" (1951), "April in Paris" (1952), "By the Light of the Silvery Moon" (1953), and a hit musical, "Calamity Jane", which gave her an Academy Award-winning song, "Secret Love" (1953).
 She ended her contract with Warners after filming "Young at Heart" (1954) with Frank Sinatra.
"I Have Dreamed" is a show tune from the 1951 Rodgers and Hammerstein musical, "The King and I".
 In the original Broadway production it was sung by Doretta Morrow and Larry Douglas.
 It has since become a standard, with many artists recording the song.
 The tune has been accused of similarities to Alfred Newman's track, "The Hill of the Brilliant Green Jade", from the 1944 film "The Keys of the Kingdom" starring Gregory Peck, though only seven notes are the same.
Doris Day (born Doris Mary Ann Kappelhoff; April 3, 1922) is an American actress, singer, and animal welfare activist.
 After she began her career as a big band singer in 1939, her popularity increased with her first hit recording "Sentimental Journey" (1945).
 After leaving Les Brown & His Band of Renown to embark on a solo career, she recorded more than 650 songs from 1947 to 1967, which made her one of the most popular and acclaimed singers of the 20th century.
"Around the World" was the theme tune from the 1956 movie "Around the World in 80 Days" In the film, only an instrumental version of the song appeared, although the vocal version has become by far the better known one.
 The song was written by Harold Adamson and Victor Young; Young died in 1956, several weeks after the film's release and he received the Academy Award for Best Music, Scoring of a Dramatic or Comedy Picture posthumously.
 Young's orchestral version was a #13 hit on the Billboard charts in 1957.
 The recording by Bing Crosby was the B-side of the Victor Young version in 1957, on Festival SP45-1274 in Australia, and was a joint charting success.