	1900	Say the Word World's Fair: The first known use of the word "television" is spoken.
	1936	Making Connections AT&T lays preliminary coaxial cable lines between New York and Philadelphia.
	1939	Sound Inventions World's Fair: RCA's David Sarnoff demonstrates audio capabilities with the first speech on television.
	1946	Living Color CBS's Peter Goldmark demonstrates his color television system to the FCC.
	1956	Power in Your Palm The first remote control is invented.
	1960	In the Home 85% of U.S. households have a television set.
	1962	Coast to Coast TELSTAR satellite provides the first transatlantic reception of a television signal.
	1978	Leading the Way PBS is the first network to switch all of its programming from landlines to satellite.
	1981	National Achievements The first American demonstration of high-definition television (HDTV) occurs at the Society of Motion Picture and Television Engineers (SMPTE) conference.
	1985	Raising the Bar An International Radio Consultative Committee (CCIR) study group elects an HDTV standard for the U.S.
	1986	Behind the Scenes Canadian Broadcasting Corp. (CBC) shoots world's first major HDTV production: a 13-hour mini-series.
	1987	On Air The first HDTV broadcast on standard TV channels takes place during an FCC public demonstration in Washington.
	1989	Modern Military The Defense Department offers incentives of up to $30 million to companies experimenting with HDTV screens and video display processors.
	1993	Coming Together The "Grand Alliance" (GI, Zenith, AT&T and ATRC) forms to develop a single HDTV system.
	1994	In the Home II 99% of U.S. households have at least one television.
	1995	Live From Las Vegas The Grand Alliance HDTV system is broadcast to receivers on the floor of the National Association of Broadcasters (NAB) convention in Las Vegas.
	1996	Pioneers of HD WRAL+HD Raleigh begins transmission on July 23 as the first HDTV station ever to broadcast in the U.S.
	1996	Standard Run Plus 1 The U.S. Congress grants an additional channel to each broadcast TV station so that they could start a digital broadcast channel while also continuing their analog broadcast channel.
	2004	Welcome to a New Age All network television stations now broadcast the bulk of their primetime schedule in HD.
	2009	The Big Migration June 12 is the final day that analog broadcasting is permitted in the United States, thus marking the completion of the migration from broadcasting in analog to digital format. Digital Programming allows broadcasters to offer one HD program or multiple "standard definition" (SD) programs simultaneously, also known as "multicasting."
		Looking Forward Emerging HD technologies will create higher quality content that can be delivered using less bandwidth. Next generation technology may bring 3-D HD technology that is used in many theaters to the home.

National Geographic Channel HD has the best animals, nature, history, science, culture and adventure programming on television. Learn more about the benefits of high-definition (HD) television and further details about Nat Geo HD.