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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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28 agos 1867 año - Central Pacific workers successfully blast 1,659 feet through a peak in the Sierra Nevada Mountains to construct the Summit Tunnel
Añadido al timeline:
Transcontinental Railroad Timeline
By
Ekata Bandyopadhyay
hace 7 meses atrás
0
0
52
fecha:
28 agos 1867 año
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~ 158 years ago
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