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https://little-histories.org/2019/05/06/7-%d0%bc%d0%b0%d1%8f-1895-%d0%b3%d0%be%d0%b4%d0%b0-%d0%b0%d0%bb%d0%b5%d0%ba%d1%81%d0%b0%d0%bd%d0%b4%d1%80-%d0%bf%d0%be%d0%bf%d0%be%d0%b2-%d0%b8%d0%b7%d0%be%d0%b1%d1%80%d0%b5%d0%bb-%d1%80%d0%b0%d0%b4/
7 мая 1895 года - Александр Попов изобрел радио