The most significant development of the 20th century was the rapid advancement of technology, particularly in communication and transportation. Innovations such as the internet, mobile technology, and air travel transformed global connectivity, enabling instant communication and the movement of people and goods across vast distances. These advancements not only reshaped economies and industries but also facilitated cultural exchange and globalization, fundamentally altering how societies function. Additionally, the century saw major social and political movements that reshaped human rights and governance worldwide.
Considered the most important orthopedic development in the twentieth century, arthroscopic surgery is widely used.
Vatican I occurred during the 19th century, not 20th.
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Technological innovation was the most significant economic and social development of the early twentieth century. Some of these inventions included the typewriter, telephone, and mechanized office equipment.
20th century by far.
Most of the 20th century.
The 20th. Century
Probably rock, Which came from jazz, which came from blues... Etc
Most would consider the greatest inventions of the 20th century to be the automobile, the personal computer, and plastic.
warren
The 20th century
the 20th century