Key Milestones in Public Health History (1750–2010)

Click any milestone.

Each marker is a turning point — a discovery, a law, an institution. The era colors track how the field's framing changed across two and a half centuries.

Sanitation era (1750–1870) Germ-theory era (1870–1930) Institutional era (1930–1980) Evidence-based era (1980–)