This is the oldest sequel to be inducted into the National Film Registry.
This film was not only one of the first "sequels" ever made, it was also one of the first films to come out after its star's death--Rudolph Valentino had unexpectedly died from peritonitis at the age of 31 on August 23, 1926, less than two weeks before this film went into release.
Assuming its copyright has not lapsed already, this film and all others produced in 1926 enter the U.S. public domain in 2022.
Rudolph Valentino personally picked Vilma Bánky as his leading lady for this film, which would be his last.
Rudolph Valentino borrowed the stallion named Jadaan from the W.K. Kellogg Arabian Horse Ranch along with a Kellogg employee, Carl Raswan, who rode in certain scenes as Valentino's stunt double. Kellogg would later donate the 800-acre ranch to the state of California and it became the campus of California State Polytechnic University-Pomona which includes the W.K. Kellogg Arabian Horse Center, a facility specializing in equine breeding, research and teaching.