XHTVM-TV (Canal 40), currently known as ADN 40 (Azteca, Deportes y Noticias) is a Mexico City-based television channel. It started broadcastiong on June 19, 1995 by Televisora del Valle de México as a news channel. It was owned by CNI (Corporación de Noticias e Información) twice from 1995-2002 and 2003-2005, & is currently owned by TV Azteca.
On July 29, 1998, CNI partnered with TV Azteca, becoming "Azteca Cuarenta".
CNI Canal 40 (second era)
2000–2002
On July 16, 2000, CNI severed ties with TV Azteca to become an independent TV station, starting a conflict known as "El Chiquihuitazo" for six years.
Azteca Cuarenta (second era)
2002–2003
On December 27, 2002, TV Azteca was given the XHTVM license; this lasted for less than a month, making it one of the shortest broadcasting periods in Mexican television.
CNI Canal 40 (third era)
2003–2005
On January 24, 2003, the channel changed hands back to CNI for the second time, and continued broadcasting for 28 months.
2005–2006
On May 19, 2005, this logo was shown on HD broadcasts, but remained unofficial due to the channel's shutdown until February 2006; the reason was due to political criticisms.
Proyecto 40
2006–2012
On February 21, 2006, TV Azteca began transmiting the under the name of Proyecto 40, turning it into a national network.
