106 years agoInternal Combustion and Flight
1920-11-02
Commercial Broadcasting
Pittsburgh's KDKA broadcast the results of the US presidential election.
Art style · 1920s Art Deco print
World population
1.92Bpeople
1/4 of today
Primary energy power
2×10¹²W
1/10 of today
London → New York message
0.05 seconds
2 times slower 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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