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ten-hour workday policy in 1840s (1 dez 1840 ano – 1 abr 1850 ano)

Descrição:

During 1840s some Northern states passed laws establishing a ten-hour working day

Adicionado na linha do tempo:

ush timeline

ByYufei Zhang
1 meses atrás
2
0
635

Data:

1 dez 1840 ano
1 abr 1850 ano
~ 9 years and 4 months
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