Don X - 1925 was released on:
USA: 11 July 1925
For 1925, I could only find "Don Q Son of Zorro" and "Don X". There is "The Mark of Zorro" (1920). Stars Douglas Fairbanks, Noah Beery. It's sequel is the aforementioned "Don Q Son of Zorro" (1925). Stars Douglas Fairbanks, Mary Astor, Donald Crisp.
Malcolm X was born on May 19, 1925
1 x 1925, 5 x 385, 7 x 275, 11 x 175, 25 x 77, 35 x 55 = 1,925
55 x 35 = 1925
X-Rated - 2015 was released on: USA: 2015
The X's - 2005 was released on: USA: 25 November 2005
X-Force - 2016 was released on: USA: 2016
Marty X - 2017 was released on: USA: 2017
Agent X - 1984 was released on: USA: 1984
The X Factor - 2011 was released on: USA: September 2011
Get a Life X - 2007 was released on: USA: January 2007
The Interview - 2013 X was released on: USA: June 2013