U.S. History
- Sherman Silver Purchase Act
- Shopping malls
- Sickness
- Siege of Savannah
- Silent Spring
- Sit-Down Strikes
- Skateboard
- Slums
- Smith Act
- Social Darwinism
- social trend
- Society for the Propagation of the Gospel in Foreign Parts
- Society of the Cincinnati
- Solid South
- Sons of Liberty
- Space Program
- Spanish-American War
- Spars
- Speakeasy
- Special Interest Groups