Immersive
Underwood & Underwood via Library of Congress
2001
The twentieth century was defined by many great technological achievements, including advancements in mass communications. Radio and television gave a broader audience immediate access to news and entertainment—a significant leap from receiving information by train or telegraph. Later, people could communicate on the go with cellular phones. And satellites—introduced for military purposes—enhanced the global reach of them all.
Timeline Entry Prefix
1901-73