— Interactive Timeline
See the whole arc at a glance.
Every key event from the CED in one horizontal sweep. Filter by official theme, click a dot to read why it matters, and notice the patterns the textbook splits across chapters.
— Cross-period view
AP U.S. History — 1491 to present
Click any dot above to see what happened.
Filter chips toggle which themes show. Multi-select. Click again to deselect.
← → step through events
