BanglaCapsule | Bangladesh Television Timeline  

1964 Bangladesh Television (BTV) started to telecast programmes for the first time from DIT building at Motijheel in Dhaka.
Google
1975 Ten years after starting the Bangladesh Television (BTV) station was finally shifted from DIT building at Motijheel to Rampura to modernise the facilities and broadcast technically developed programmes.
Google
1992 CNN, the US news network, started relaying its transmission in Bangladesh for a few hours everyday using the BTV channel.
Google