linea de tiempo higiene y seguridad industrial

Events

Approx. 3500 bc - Approx. 500 bc
Approx. 2100 bc
Approx. 63 dc - 200 dc
Approx. 1413 d c - Approx. 1542 d c
Approx. 1700
Approx. 1778 d c - Approx. 1828 d c
1841 d c - 1883 d c
1904 d c - 1938 d c
1929 d c - 2009 d c
1931 d c - 1974 d c