environmentTimeline of the Exxon Valdez Oil Spill20 eventsMajor environmental, legal, and political milestones in the Exxon Valdez oil spill disaster.
societyTimeline of the Centers for Disease Control and Prevention20 eventsMajor milestones in the origins, growth, missions, and public-health role of the U.S. Centers for Disease Con…
societyTimeline of UNICEF20 eventsMajor milestones in the creation, evolution, programs, advocacy, and global recognition of UNICEF.
scienceTimeline of DNA Sequencing20 eventsMajor scientific and technological milestones in the history of DNA sequencing from early methods to high-thr…
environmentTimeline of Waste20 eventsA history of waste from early middens and municipal scavengers to plastics, ocean debris, recycling, and the…
environmentTimeline of Extinction20 eventsA history of extinction from mass die-offs and iconic species losses to modern conservation and de-extinction…
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