66 years agoThe Space Age
1961-04-12
First Human in Space
Gagarin orbits the Earth once aboard Vostok 1.
Art style · 1960s Soviet propaganda poster
World population
3.09Bpeople
1/3 of today
Primary energy power
4.9×10¹²W
1/4 of today
London → New York message
0.02 seconds
1 times faster than today
Every timeline entry cites its source. Metrics interpolate logarithmically between sourced data points. Forecasts include institutional and community views, and attributed site scenarios; years are not guaranteed realization dates. Illustrations are AI-generated in each era's style.
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