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4 days ago · This is a list of state leaders in the 20th century (1901–1950) AD, such as the heads of state, heads of government, and the general secretaries of single-party states. These polities are generally sovereign states , but excludes minor dependent territories , whose leaders can be found listed under territorial governors in the 20th century .
3 days ago · 1952: The first thermonuclear weapon is developed. 1953: The first video tape recorder, a helical scan recorder, is invented by Norikazu Sawazaki. 1954: Invention of the solar battery by Bell Telephone scientists, Calvin Souther Fuller, Daryl Chapin and Gerald Pearson capturing the Sun's power.
2 days ago · Anarchism. According to different scholars, the history of anarchism either goes back to ancient and prehistoric ideologies and social structures, or begins in the 19th century as a formal movement. As scholars and anarchist philosophers have held a range of views on what anarchism means, it is difficult to outline its history unambiguously.
5 days ago · Hand-drawn animation, mostly animation painted on cels, was the dominant technique throughout most of the 20th century and became known as traditional animation. Around the turn of the millennium, computer animation became the dominant animation technique in most regions (while hand-drawn animation continued to be very popular all around the ...
4 days ago · The 19th century was an era of rapidly accelerating scientific discovery and invention, with significant developments in the fields of mathematics, physics, chemistry, biology, electricity, and metallurgy that laid the groundwork for the technological advances of the 20th century.
3 days ago · t. e. The Information Age (also known as the Third Industrial Revolution, Computer Age, Digital Age, Silicon Age, New Media Age, Internet Age, or the Digital Revolution [1]) is a historical period that began in the mid-20th century to the early 21st century. It is characterized by a rapid shift from traditional industries, as established during ...
4 days ago · Interestingly, the Art Deco movement was influenced by a variety of artistic and cultural movements that came before, including Cubism, Futurism, and the Machine Aesthetics of the early 20th ...
