Daily history map puzzle· 12 November
Europe 1815–1914: Empires and Nation States · somewhere between 1815 and 1914
Which year does this map show? 5 guesses; each one says earlier or later, and how close you are.
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The Civil War from Lincoln's election to the abolition of slavery in one animation: eleven states leave the Union, the front lines move county by county, 55 campaigns and raids cross the map, and a counter adds up both sides' casualties in 454 battles as they are fought.
An animated world map of CO₂ emissions against prosperity: 26 frames from 1850 to 2022 colour every country by its income per person and its CO₂ emissions per person at the same time. Britain, the United States and then every rich country turn dark as they grow rich on coal and oil; after 1980 the two come apart, and in 2022, 37 of the 59 rich countries emit less than 8 tonnes a person while China has passed that line.
An animated map that follows Napoleon Bonaparte from the siege of Toulon in 1793 to his death on St Helena in 1821: every border change in Europe across 50 moments, his own whereabouts, the size of his main army, and a running estimate of the soldiers who died on each side.