Question: Which movie was released first, Son of Flubber or Davy Crockett, King of the Wild Frontier?

Context articles: Davy Crockett Birthplace State Park
Davy Crockett and the River Pirates
Son of Flubber
Davy Crockett, Indian Scout
Davy Crockett, King of the Wild Frontier
Davy Crockett (1910 film)
Riders in the Sky Present: Davy Crockett, King of the Wild Frontier
Daniel Boone, Trail Blazer
The Alamo: 13 Days to Glory
Davy Crockett – In Hearts United

Davy Crockett Birthplace State Park is a state park in Greene County, Tennessee, United States.
 Situated along the Nolichucky River, the park consists of 105 acre centered on the traditional birthplace of legendary Tennessee frontiersman, soldier, and politician Davy Crockett (1786-1836).
 The park includes a replica of Crockett's birth cabin, a museum, and a large campground.
Davy Crockett and the River Pirates is a 1956 live-action Walt Disney adventure film starring Fess Parker as Davy Crockett.
 It was shot in Cave-In-Rock, Illinois.
 This film acts as a prequel to 1955's "Davy Crockett, King of the Wild Frontier" and is an edited compilation of the fourth and fifth stories featuring the Disney television series "Davy Crockett":
Son of Flubber is the 1963 sequel to the Walt Disney children's sci-fi comedy movie "The Absent-Minded Professor" (1961).
 Both films star Fred MacMurray as a scientist who has perfected a high-bouncing substance, Flubber ("flying rubber") that can levitate an automobile and cause athletes to bounce into the sky.
 The film co-stars Nancy Olson and Keenan Wynn, and was directed by Robert Stevenson.
 Many of the cast members from "The Absent-Minded Professor" also appear in this film, including Elliott Reid and Tommy Kirk.
 The film was shot in black and white, but a colorized version was released on VHS in 1997.
Davy Crockett, Indian Scout is a 1950 Western film starring George Montgomery as Davy Crockett's nephew.
Davy Crockett, King of the Wild Frontier is a 1955 live-action Walt Disney adventure film starring Fess Parker as Davy Crockett.
 This film is an edited compilation of the first three stories from the Disney television miniseries "Davy Crockett" :
Davy Crockett is a 1910 American silent starring Hobart Bosworth as Davy Crockett, with Betty Harte and Tom Santschi.
 The film was directed by Francis Boggs and distributed by Selig Polyscope Co.
 It was commercially released in the United States.
 With a storyline similar to the 1909 "Davy Crockett – In Hearts United", this fictional account of Crockett's life has him rescuing his lady love from marrying his rival.
 The movie ends with Crockett and his girlfriend riding off together.
Riders in the Sky Present: Davy Crockett, King of the Wild Frontier
Daniel Boone, Trail Blazer is a 1956 American western adventure film co-produced and directed by Albert C. Gannaway and Ismael Rodríguez and starring Bruce Bennett, Lon Chaney Jr. and Faron Young.
 The film was shot in Trucolor in Mexico.
 It was released by Republic Pictures at the height of the "Davy Crockett, King of the Wild Frontier" craze.
The Alamo: 13 Days to Glory (1987) is a made-for-TV film about the 1836 Battle of the Alamo written and directed by Burt Kennedy, starring James Arness as James Bowie, Brian Keith as Davy Crockett, Alec Baldwin as William Barrett Travis, Raul Julia as Antonio López de Santa Anna, and featuring a single scene cameo by Lorne Greene as Sam Houston.
 Unlike most other films about the Alamo — the most prominent other exception being the 1955 film "The Last Command" (which was released during the cultural frenzy created by Walt Disney's Davy Crockett television miniseries) — it focuses on Bowie as the main character rather than Crockett.
Davy Crockett – In Hearts United is a 1909 American silent film starring Charles K. French as Davy Crockett, with Evelyn Graham, Charles Bauman, Charles W. Travis and Charles Inslee.
 The film was directed by Fred Balshofer and distributed by New York Motion Picture Co.
 It was commercially released on June 4, 1909 in the United States.
 This is believed to be the first movie ever made about Davy Crockett.
 The fictional romance depicted frontiersman Crockett rescuing a woman named Anna in mid-ceremony from marriage to a man she didn't love.
 She and Crockett rode off on his horse.
 They went directly to a minister who married them, and he brought her home to his mother.