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28 июл 1886 г. - Revuelta de Chicago (Estados Unidos)
Описание:
Se establecen las 8 horas de trabajo
Добавлено на ленту времени:
Revisión histórica de la salud ocupacional y la seguridad industrial
By
Daniel Obando
7 дек 2017
0
0
2504
Дата:
28 июл 1886 г.
Сейчас
~ 139 г назад
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