Question: When was the film, in which Lucille Bremer is most known for, released?

Context articles: Too Many Girls (film)
This Heart of Mine
The Dark Mirror (1920 film)
Lucille Bremer
Behind Locked Doors
Dark Delusion
Ziegfeld Follies (film)
Meet Me in St. Louis
Yolanda and the Thief
Adventures of Casanova

Too Many Girls is a 1940 American musical comedy film directed by George Abbott and written by John Twist.
 The film stars Lucille Ball, Richard Carlson, Ann Miller, Eddie Bracken, Frances Langford, Desi Arnaz and Hal Le Roy.
 The film was released on October 8, 1940, by RKO Pictures.
 Both Desi Arnaz and Lucille Ball credited the production for bringing them together.
 They married on November 30, 1940, less than two months after the film's release.
"This Heart of Mine" is a 1946 song.
 This music standard was written by composer Harry Warren and lyricist Arthur Freed to be featured in the musical film score "Ziegfeld Follies".
 This song is introduced by Fred Astaire who danced with Lucille Bremer in a lavish and romantic dance.
 In the same film, Esther Williams swam in a water ballet to a softer, instrumental version of the song.
 Judy Garland and Maxine Sullivan have also recorded this song.
The Dark Mirror is a 1920 American silent drama film directed by Charles Giblyn and written by E. Magnus Ingleton based upon the novel of the same name by Louis Joseph Vance.
 The film stars Dorothy Dalton in a dual role, Huntley Gordon, Walter D. Nealand, Jessie Arnold, Lucille Carney, Pedro de Cordoba, and Donald MacPherson.
 The film was released on May 9, 1920, by Paramount Pictures.
 It is not known whether the film currently survives.
Lucille Bremer (February 21, 1917 – April 16, 1996) was an American film actress and dancer.
Behind Locked Doors is a 1948 film noir directed by Budd Boetticher and starring Lucille Bremer, Richard Carlson and Tor Johnson.
Dark Delusion (1947) is an American film, released by Metro-Goldwyn-Mayer, and starring James Craig, Lionel Barrymore, and Lucille Bremer.
 The film was the last in the Dr. Kildare film series released by MGM.
Ziegfeld Follies is a 1946 American musical comedy film released by Metro-Goldwyn-Mayer and directed by Lemuel Ayers, Roy Del Ruth, Robert Lewis, Vincente Minnelli, Merrill Pye, George Sidney and Charles Walters.
 It stars many of MGM leading talents, including Fred Astaire, Lucille Ball, Lucille Bremer, Fanny Brice (the only member of the ensemble who was a star of the original Follies), Judy Garland, Kathryn Grayson, Lena Horne, Gene Kelly, James Melton, Victor Moore, William Powell, Red Skelton, and Esther Williams.
Meet Me in St. Louis is a musical film made by Metro-Goldwyn-Mayer and released in 1944.
 Divided into a series of seasonal vignettes, starting with Summer 1903, it relates the story of a year in the life of the Smith family in St. Louis, leading up to the opening of the Louisiana Purchase Exposition (more commonly referred to as the World's Fair) in the spring of 1904.
 The picture stars Judy Garland, Margaret O'Brien, Mary Astor, Lucille Bremer, Tom Drake, Leon Ames, Marjorie Main, June Lockhart, and Joan Carroll.
Yolanda and the Thief (Technicolor) is a 1945 MGM musical-comedy film set in a fictional Latin American country, and stars Fred Astaire, Lucille Bremer, Frank Morgan, and Mildred Natwick, with music by Harry Warren and lyrics by Arthur Freed.
 The film was directed by Vincente Minnelli and produced by Arthur Freed.
Adventures of Casanova is a 1948 American-Mexican historical adventure film directed by Roberto Gavaldón and starring Arturo de Córdova Lucille Bremer and Turhan Bey.
 It portrays a fictional version of the story of Casanova, and was intended to capitalize on the success of the Errol Flynn film "The Adventures of Don Juan" which was released the same year after a long production process.
 It is set in Sicily in the 1790s, with Casanova as a freedom fighter battling against the King's local governor Count de Brissac, who unknown to the monarch, is acting as a tyrant.