Short answers, pulled from the story.
John Logie Baird transmitted the first moving image to a human eye on the 25th of March 1925 during a public demonstration at Selfridges department store in London. This image was a ventriloquist dummy named Stooky Bill projected using a spinning Nipkow disk with only 30 scan lines.
Philo Farnsworth transmitted the first electronic image of a simple straight line in 1927 from his laboratory at 202 Green Street in San Francisco. His image dissector camera tube eliminated mechanical limitations and became the foundation of modern television after the U.S. Patent Office ruled in his favor in 1935.
The first color broadcast, the live program The Marriage, aired on the 8th of July 1954 after the National Television Systems Committee approved an all-electronic color system in 1953. Color sets became common in American homes by the mid-1960s, and sales of color sets surpassed black-and-white sets by 1972.
The Federal Communications Commission declared that the new Advanced Television standard must provide a genuine High-Definition signal with at least twice the resolution of existing television images in 1990. This declaration initiated the transition from analog to digital television which began in the late 2000s.
Major manufacturers began mass production of smart televisions in 2015 when they became affordable for middle-end and high-end models. By 2019, 46 million U.S. households owned at least one smart television, reflecting the rapid adoption of this technology.
Sony released the first fully transistorized portable television, the TV8-301, in 1960. By 1960, Sony had sold over four million portable television sets worldwide, marking the beginning of the transition from communal viewing to solitary viewing experiences.