The Stone Age & Agricultural Revolution
For over 200,000 years humans lived as hunter-gatherers. Around 10,000 BC, in the Fertile Crescent, people began farming wheat and barley and domesticating sheep, goats, and cattle. This shift — the Neolithic Revolution — allowed permanent settlements, food surplus, specialization of labor, and ultimately civilization itself.
- Çatalhöyük (modern Turkey, ~7100 BC) — one of the world's first cities, with ~8,000 inhabitants.
- Göbekli Tepe (~9500 BC) — the oldest known temple complex, predates farming.
Ancient Egypt
Civilization along the Nile lasted over three thousand years, longer than the time from Cleopatra to today. Egypt produced monumental architecture (the Great Pyramid was the tallest human structure for 3,800 years), hieroglyphic writing, advanced medicine, and a religion centered on the afterlife. It fell to Rome in 30 BC after the death of Cleopatra VII.
- Old Kingdom (~2686–2181 BC): pyramid-building era.
- New Kingdom (~1550–1077 BC): Egypt's golden age — Hatshepsut, Akhenaten, Tutankhamun, Ramses II.
- Ptolemaic period (305–30 BC): Greek-ruled Egypt ending with Cleopatra.
Roman Republic & Empire
Rome began as a small Italian city-state, became a republic in 509 BC, and grew into the Mediterranean's dominant power. After a century of civil war, Augustus founded the Empire in 27 BC. At its peak under Trajan (117 AD), Rome controlled ~5 million km² and ~70 million people. The Western Empire fell in 476 AD; the Eastern (Byzantine) Empire endured until 1453.
- Julius Caesar crossed the Rubicon (49 BC) and was assassinated on the Ides of March (44 BC).
- Pax Romana: ~200 years (27 BC – 180 AD) of relative peace and prosperity across the empire.
- Roman engineering: aqueducts, concrete, road network spanning 250,000 miles, the Colosseum (80 AD).
The Middle Ages
The thousand years between Rome's fall and the Renaissance saw feudalism, Gothic cathedrals, the rise of universities, and the consolidation of Christian, Islamic, Byzantine, and East Asian civilizations. The Black Death (1347–1351) killed an estimated 30–50% of Europe's population in just four years — a demographic shock so severe it ended feudalism in Western Europe.
- Charlemagne crowned Holy Roman Emperor on Christmas Day, 800.
- Battle of Hastings (1066): Norman conquest of England.
- Magna Carta (1215): foundation of constitutional government.
- Mongol Empire at its 1279 peak: largest contiguous land empire in history.
The Renaissance & Age of Exploration
A cultural rebirth that began in Italian city-states and spread across Europe. Gutenberg's printing press (~1440) cut book prices by 99% and made literacy widespread. Da Vinci, Michelangelo, and Galileo redefined art and science. In 1492, Columbus's voyage opened a tragic and transformative exchange between Europe and the Americas.
- Mona Lisa painted ~1503–1519 by Leonardo da Vinci.
- 95 Theses: Martin Luther sparks the Protestant Reformation in 1517.
- Columbian Exchange: tomatoes, potatoes, maize, chocolate flow east; horses, wheat, and diseases flow west.
The Industrial Revolution
Beginning in Britain, steam power and mechanized factories transformed every aspect of life. Cities exploded, railroads tied continents together, the telegraph collapsed distance, and the modern working class was born. Life expectancy roughly doubled over the era. Alongside dazzling progress came child labor, slums, and the human costs of industrialization.
- 1769: James Watt patents the steam engine.
- 1804: First steam locomotive (Richard Trevithick).
- 1844: Samuel Morse sends the first telegraph: "What hath God wrought."
- 1859: Darwin publishes On the Origin of Species.
The Modern & Space Ages
The 20th century saw more technological change than any era before it. Two world wars killed ~100 million people combined. The atomic age, antibiotics, the internet, and the moon landing all happened within a single human lifespan. The pace of change continues to accelerate.
- 1928: Penicillin discovered by Alexander Fleming.
- 1939–1945: World War II, the deadliest conflict in human history.
- 1957: Sputnik launches the Space Age.
- 1969: Apollo 11 lands on the Moon.
- 1991: World Wide Web becomes publicly available.
Key Historical Figures
Browse a complete roster of recruitable historical figures in History Heroes — each character page includes their era, role, accomplishments, and historical context.
For Teachers
Every fact on this site and in our games is researched. Specific corrections and sources welcome via the contact email. We're happy to add periods, figures, or events that don't yet appear.