Electric lights became common (1 ene 1930 año – 1 ene 1940 año)
Descripción:
Electric lights, both inside and outside were considered a breakthrough at the time, replacing candles, oil lamps and gas lighting. The introduction of electricity proved revolutionary to the industry in general.
Añadido al timeline:
fecha:
1 ene 1930 año
1 ene 1940 año
~ 10 years