The document summarizes key events in the history of the BBC from the 1920s to the 1970s. It notes that the BBC began daily broadcasting in 1922 and started the world's first regularly scheduled TV service in 1936. In the 1940s, the BBC launched the first post-war TV news service and invented the first means of recording live TV. In the 1950s, the BBC developed early video tape recording technology and launched popular children's programs like Blue Peter. The 1960s saw the introduction of color TV in the UK and globally successful BBC programs like Doctor Who. In the 1970s, the BBC partnered with the Open University and launched groundbreaking factual programs like Newsround and the original series of Life on Earth with David