One X One was created in 2004.
One-X was created in 2020-11.
HTC One X was created in 2012.
X X X was created on 2011-10-12.
They were created on the X Factor in 2010
X - The X-Files - was created in 1994.
Microsoft created the DirectX component for graphics. Direct"X" was used in the "X"box. This is one of the reasons for it.
X Club was created in 1864.
Crooked X was created in 2007.
X-Scape was created in 2010.
An Eye on X was created in 1995.
Project-X was created in 1992.
Zolar X was created in 1973.