History Timelines: A Free Reference for Every World History Timeline

This history timelines reference site exists because a single, sourced timeline of world history is harder to find than it should be. Every history timeline on this site, whether a person, an event, a place, or a US state, is built the same way: real dates, a named source, and a last-reviewed date, so a teacher, a student, or a curious reader can cite it without second-guessing it.

Unlike a general encyclopedia entry, each timeline of world history here is built around one specific reusable component: a horizontal, clickable timeline strip at the top of the page, followed by full narrative context underneath. That pairing, a scannable history timeline plus real prose, is what "reference" means on this site: fast to check, deep enough to actually learn from.

The archive is organized into four sections so a reader always knows where a timeline lives: People covers the lives that shaped their century, from world leaders and every US president to civil rights figures and scientists; Events covers the wars and turning points that redrew the map; Places covers ancient civilizations and countries from founding to today; and American covers every U.S. state from territorial or colonial origins through statehood. Each new addition is written to the same standard as the last, so browsing across sections never feels like switching sites.

New timelines continue to be added on a regular schedule, and existing ones are revisited as new scholarship or events call for an update; this is treated as a living reference, not a fixed archive. Whether you arrived looking for a single date or planning to work through an entire section, every history timeline here follows the same rule: check the source, date the fact, and show the work.