20th century 20th century The 20th (twentieth) century was a century that began on January 1, 1901 and ended on December 31, 2000. It was the tenth and final century of the 2nd millennium. It is distinct from the century known as the 1900s which began on January 1, 1900 and ended on December 31, 1999. The 20th century was dominated by a chain of events that heralded significant changes in world history as to redefine the era: flu pandemic, World War I and World War II, nuclear power and space exploration, nationalism and decolonization, the Cold War and post-Cold War conflicts;
The 20th Century The 20th Century The Twentieth Century was a documentary television program sponsored by the Prudential Insurance Company that ran on the CBS network from 20 October 1957 until 4 January 1970. It was hosted by Walter Cronkite. The opening and closing theme music was written by composer George Antheil. The program presented filmed reports on news and cultural events that were important for the development of the 20th century. The show did not just present the events, but also interpreted them. Such subjects as World War I and major assassinations were presented in context. On 20 January 1967, the show,