The Second Industrial Revolution (1 jan 1870 ano – 1 maio 1914 ano)

Descrição:

"These innovations included new steel making processes, mass-production, assembly lines, electrical grid systems, the large-scale manufacture of machine tools and the use of increasingly advanced machinery in steam-powered factories."

Source:
https://en.wikipedia.org/wiki/Industrial_Revolution

Adicionado na linha do tempo:

Data: