historyTimeline of the Spanish Empire21 eventsMajor political, military, and colonial milestones in the rise and decline of the Spanish Empire.
societyTimeline of UNICEF20 eventsMajor milestones in the creation, evolution, programs, advocacy, and global recognition of UNICEF.
cultureTimeline of the British Broadcasting Corporation20 eventsMajor institutional, technological, and editorial milestones in the history of the BBC.
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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