A timeline of U.S. immigration shows how, from the 1600s to today, the United States became a nation of people from hundreds of cultures, languages and beliefs.| HISTORY
The Olympic Games, which originated in ancient Greece, were revived in the late 19th century. They are now the world’s preeminent sporting competition and are held every two years, alternating between Summer and Winter Games. The Winter 2022 Olympics will take place in Beijing, China.| HISTORY