The oldest history mnemonic — and still the most reliable
Columbus landed in the Bahamas on October 12, 1492, believing he had reached Asia. This began sustained European contact with the Americas and permanently changed world history.
🏛️ Key Dates
1215, 1776, 1789 — rights documents
Landmark Documents
Three documents that shaped modern democracy
1215: Magna Carta (England) — limited royal power. 1776: Declaration of Independence (USA) — natural rights. 1789: Declaration of Rights of Man (France) — liberty and equality. Each built on the previous.
🏛️ Key Dates
Industrial Revolution: Britain first (1760s), then spreads
Industrial Revolution Timeline
The Industrial Revolution started in Britain and took a century to spread
Began in Britain ~1760s with the steam engine and textile mills. Spread to continental Europe and the US by the 1800s. Second Industrial Revolution (steel, electricity) 1870s–1914.
🏛️ Key Dates
Cold War: 1947–1991 = 44 years
Cold War Duration
The Cold War era — when it started and when the USSR collapsed
Cold War began 1947 (Truman Doctrine, Marshall Plan). Berlin Wall fell November 9, 1989. USSR dissolved December 25, 1991. Nearly half a century of ideological conflict without direct superpower war.
🏛️ Key Dates
Centuries are always 1 ahead: 1800s = 19th century
Century Naming Convention
The fastest way to convert years to centuries
The century is always 1 higher than the hundreds digit. 1776 → 18th century. 1914 → 20th century. 2024 → 21st century. The 1st century CE = years 1–100. The 21st = years 2001–2100.
The Renaissance
Renaissance: 14th-17th century. 'Rebirth' of classical learning. Italy first, then Europe.
The Renaissance
The cultural rebirth that bridged medieval and modern Europe
Started in Italian city-states (Florence, Venice) ~1300s. Rediscovery of Greek and Roman classical texts. Key figures: Leonardo da Vinci, Michelangelo, Raphael (art); Machiavelli (politics); Gutenberg's printing press (1440) spread ideas rapidly across Europe.
Protestant Reformation
Reformation: 1517 — Luther's 95 Theses. Split Christianity into Catholic and Protestant.
Protestant Reformation
Martin Luther's challenge that permanently divided Western Christianity
1517: Luther nailed 95 Theses to church door in Wittenberg, challenging Catholic practices (indulgences). Henry VIII broke with Rome 1534 (Church of England). Calvin, Zwingli spread Protestantism further. Counter-Reformation: Catholic Church reformed itself in response.
French Revolution
French Revolution: 1789 — Liberty, Equality, Fraternity. Storming the Bastille July 14.
French Revolution
The revolution that reshaped European politics and spread democratic ideals
1789: financial crisis + inequality + Enlightenment ideas → revolution. Key dates: Bastille stormed July 14 1789, Declaration of Rights of Man August 1789, Louis XVI executed 1793, Reign of Terror 1793-94, Napoleon takes power 1799.
Historical Periods
World timelines: Ancient (3000 BC-500 AD) → Medieval (500-1500) → Early Modern (1500-1800) → Modern (1800-present)
Historical Periods
Four broad eras of world history and their approximate dates
Ancient: earliest civilizations through fall of Rome. Medieval (Middle Ages): feudalism, the Church, Black Death. Early Modern: Renaissance, Reformation, Scientific Revolution, Age of Exploration, Enlightenment. Modern: Industrial Revolution, world wars, Cold War, present.
Four key thinkers whose ideas shaped modern government
Locke: natural rights (life, liberty, property), government by consent — influenced US Declaration. Montesquieu: separation of powers into branches — influenced US Constitution. Rousseau: general will, social contract — influenced French Revolution. Voltaire: religious tolerance and free speech.
Locke
Natural rights, consent of the governed
Montesquieu
Separation of powers
Rousseau
General will, social contract
Voltaire
Free speech, religious tolerance
Age of Imperialism
Imperialism peak: 1880s-1914. European powers controlled 80% of the world's land.
Age of Imperialism
The late 19th century scramble for colonies
European powers (Britain, France, Germany, Belgium, Italy) colonized Africa and Asia. Berlin Conference (1884): European nations divided Africa without African input. Britain: 'the sun never sets on the British Empire.' Imperialism's legacy: drew arbitrary borders, exploited resources, created tensions that contributed to WWI.
Cold War Overview
Cold War: 1947-1991. USA vs USSR. NATO vs Warsaw Pact. No direct combat — proxy wars.
Cold War Overview
44 years of ideological conflict between two superpowers
USA (capitalism/democracy) vs USSR (communism). Never fought directly — used proxy wars (Korea, Vietnam, Afghanistan). Key events: Berlin Wall (1961-1989), Cuban Missile Crisis (1962), moon landing (1969). Ended when USSR dissolved December 25, 1991.