- Maccabean Revolt
- Macedon Unifies Greece
- Magellan
- Magna Carta
- Maritime Silk Route
- Mauryan Empire Ends
- Median Kingdom
- Medieval Warm Period
- Middle Assyrian Empire
- Middle Assyrian Empire Ends
- Middle East Oil
- Ming Empire
- Mongolian Empire Fragments
- Mongols Conquer Middle East
- Movable Type Developed
- Muaryan Empire (India)
- Mughal Empire (India)
- Mughal Empire Ends
- Mycenaean Greece Ends
- Mycenean Greek Civilization
- Sassanid Empire
- Sassanid Empire Ends
- Scramble for Africa
- Second Crusade
- Second Indian Urbanization
- Second Industrial Revolution
- Seleucid Empire
- Seleucid Empire Ends
- Seljuk Turk Empire
- Seljuk TurK Empire Ends
- Seven Years' War
- Seventh Crusade
- Shang Dynasty (China)
- Silk Road
- Sixth Crusade
- Sort Parliament & Long Parliament
- Soviet Union
- Spanish-American War
- Suez Canal
- Sui Empire (China)