The Soviet Union launched Sputnik 1, the first artificial Earth satellite
1957On October 4, 1957, the Soviet Union launched Sputnik 1, the first artificial Earth satellite. This event marked the beginning of the space age and the U.S.-Soviet space race. Sputnik 1's successful launch had a significant impact on technology and geopolitics during the Cold War.
Siri was Born
2011On October 4, 2011, Apple Inc. unveiled the iPhone 4S, which introduced Siri, the voice-activated assistant. This innovation marked a significant step in the evolution of smartphones and user interaction with technology.
Work on Mount Rushmore Began
1941On October 4, 1927, the work on Mount Rushmore began in South Dakota. The monument, featuring the 60-foot faces of four U.S. presidents (George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln), was completed in 1941.