From the Holocaust to the atomic Bombings of Hiroshima and Nagasaki, these are the 10 major events that defined the 20th century. They continue to influence the world in the 21st century.

See below for a 20th Century timeline of events: 20th Century Timeline Following the 19th century, the 20th century changed the world in unprecedented

8,000 voters in eight countries choose human race's finest modern achievements 

Learn about 7 key events that took place throughout the 20th century in Europe, the Americas, and other parts of the world.

Explore articles and videos about the major events of the 20th century, including World War II, the civil rights movement, the rise of the internet and more.

The 20th century saw the rise of United States as a truly global power. During this century, America became increasingly involved in world affairs such as the World War I and World War II. By the second half of the century, United States had become a global superpower. American History Timeline 1901 – President William... Read More »

A concise timeline of the history of the World during the 20th century a time of great upheavals but also great advances

A free, web-based collection of astronomy and Earth science videos and interactives.

Explore the fascinating world of telescopes and star observation! 🌌 Discover how technological advances enable stunning cosmic imagery and deepen our understanding. 🔭✨

Astronomers study the universe beyond visible light using radio, infrared, X-rays, and gamma rays to reveal hidden stars, black holes, and cosmic origins.