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Chrono Layers — Interactive Historical Timeline

Chrono Layers is a free interactive historical timeline that lets you explore and compare civilisations, empires, wars, and historical figures side by side across time. Zoom in to decades or out to millennia. Layer multiple histories onto a single canvas to see how they overlapped and interacted.

How to use

Click "Browse layers" to open the catalogue and add historical topics to the canvas. Scroll or pinch to zoom the timeline. Click any event dot to see a detailed description. Add multiple layers to compare histories side by side.

Available historical layers

Roman Republic (509–27 BC)
Roman Empire (27 BC – 476 AD)
Ancient Greece (800–31 BC)
Classical Athens (594–322 BC)
Macedonia, Ancient Kingdom (547–146 BC)
Alexander the Great (356–323 BC)
Sparta (900–146 BC)
Persian Empire, Achaemenid (550–330 BC)
Byzantine Empire (413–1453)
Julius Caesar (100–44 BC)
Justinian I
Basil II
Holy Roman Empire (800–1806)
Kingdom of Poland (966–1795)
Republic of Venice (697–1797)
Ottoman Empire (1299–1922)
Denmark: Vikings & Medieval Kingdom (750–1397)
Denmark: Kalmar Union to Absolutism (1397–1849)
Denmark: Modern Era (1849–2024)
Norway: Vikings & Early Kingdom (793–1380)
Norway: Denmark-Norway Union (1380–1814)
Norway: Independence & Modern Era (1814–2024)
Sweden: Medieval Kingdom (970–1397)
Sweden: Vasa & Age of Greatness (1397–1721)
Sweden: Constitutional & Modern Era (1721–2024)
Viking Expansion (793–1100)
Medieval Crusades (1095–1291)
Kingdom of Jerusalem (1099–1291)
Teutonic Order (1190–1525)
Habsburg Monarchy (1273–1804)
Old Swiss Confederacy (1291–1648)
Republic of Florence (1115–1532)
Republic of Genoa (1099–1797)
Italian Renaissance (1300–1600)
Italy — Baroque to Risorgimento (1600–1861)
Frederick Barbarossa
Song Dynasty China (960–1279)
Mongol Empire (1206–1368)
Peloponnesian War (431–404 BC)
Portuguese Empire (1415–1999)
Henry the Navigator
Afonso de Albuquerque
Age of Exploration (1415–1779)
Aztec Empire (1325–1521)
Inca Empire (1438–1572)
al-Andalus (711–1492)
Reconquista (718–1492)
Spanish Empire (1469–1898)
Hernán Cortés
Francisco Pizarro
New Spain (1521–1821)
Mexico Colonial (1519–1821)
Viceroyalty of Peru
British Empire
British India (1757–1947)
British Australia (1788–1901)
Australia: Federation & Modern (1901–2024)
Anglo-French Wars in North America (1689–1763)
Quebec (Colonial Era) (1534–1763)
New England Colonies (1620–1776)
American Revolution (1763–1789)
George Washington (1732–1799)
Simón Bolívar (1783–1830)
Colombia: Colonial Era (1499–1819)
Colombia: Modern Era (1819–2024)
Argentina: Colonial Era (1516–1816)
Argentina: Modern Era (1816–2024)
Chile: Colonial Era (1540–1818)
Chile: Modern Era (1818–2024)
Colonial Brazil (1500–1822)
Brazil: Modern Era (1822–2024)
Mexico: Independent Republic (1821–2024)
USA: Civil War Era (1820–1877)
West Expansion – North America (1783–1890)
Canada: Early Contact & Colonial Era (1497–1867)
Canada: Confederation & Modern (1867–2024)
Finland: Swedish Province (1249–1809)
Finland: Russian Grand Duchy (1809–1917)
Finland: Modern Era (1917–2024)
England: Roman & Anglo-Saxon (43–927)
England: Medieval (927–1485)
England: Tudor & Stuart (1485–1707)
Scotland (Medieval) (843–1371)
Scotland: Stewart & Union (1371–1707)
Ireland: Early Christian (431–1169)
Ireland: Norman & Gaelic (1169–1603)
Ireland: Plantation to Independence (1603–1922)
Tudor Dynasty (1485–1603)
Protestant Reformation (1380–1648)
Early Medieval Saxony (531–1485)
Saxony: Electorate & Kingdom (1485–1918)
Hesse (1264–1871)
Classical Music (1400–1900)
Dutch Colonial Empire
Dutch East Indies
Dutch Exploration
Dutch Brazil
Suriname
Cape Colony
France: Medieval & Renaissance (843–1524)
French Revolution (1789–1799)
French First Colonial Empire (1524–1814)
French Second Colonial Empire (1830–1962)
French New France
French West Indies
French Indochina (1858–1954)
French Algeria
French West Africa
Russian Empire (1721–1917)
Soviet Union (1917–1991)
Kingdom of Prussia (1701–1871)
Austrian Empire (1804–1867)
Austria-Hungary (1867–1918)
Hungary: Early Kingdom (895–1241)
Hungary: Medieval Peak & Ottoman Conquest (1241–1526)
Kingdom of Hungary
Austrian Lombardy-Venetia (1815–1866)
Italy: Kingdom & Republic (1861–2024)
German Empire (1871–1918)
German Colonial Empire (1884–1919)
Napoleon Bonaparte
Napoleonic Wars (1803–1815)
Thirty Years' War (1618–1648)
World War I (1914–1919)
Weimar Republic & Third Reich (1918–1945)
World War 2 (1939–1945)
Cold War (1947–1991)
Korean War (1950–1953)
Space Race (1957–1975)
Industrial Revolution
James Watt
Ming Dynasty (1368–1644)
Mughal Empire (1526–1857)
Qing Dynasty China (1616–1912)
Feudal Japan (1185–1600)
Edo Period Japan (1600–1868)
Bakumatsu — End of the Shogunate
Meiji Era Japan (1868–1912)
United States of America