Claim: Discovery Family, launched on October 7, 1996 with headquarters in Silver Spring, Maryland, United States, has a 1080i HDTV (downscaled to letterboxed 480i for the SDTV feed) picture format.
Evidence: Discovery Family is an American family-oriented specialty television channel owned by Discovery Inc. and Hasbro. The network was first launched on October 7, 1996 as Discovery Kids Channel, a spin-off of Discovery Channel that featured science, nature and adventure-themed programs aimed towards children aged 6 to 11. Discovery Family Silver Spring, Maryland, United States 1080i HDTV (downscaled to letterboxed 480i for the SDTV feed) October 7, 1996; 24 years ago (1996-10-07)