1870-1875

Construction of the summer residence of Manuel Calvo, an “Indiano” from Portugalete, which will later be the Grand Hotel Puente Colgante

The “Cantabrian Iron Ore Co” is established to build the first coal blast furnace in the Sestao marshes

The Government of Amadeo de Saboya grants “Chadwicks, Adamson, Collier and Co” of England authorization to build a commercial port in the Abra de Bilbao under the project of the engineer Vignoles. They resigned in 1873, alleging the Carlist War as the cause

Alfred Nobel founded the “Spanish State Society of Dynamite Gunpowder. Privileges Alfred Nobel” and settled in Galdakao

Amanda Theodosia Jones invents the preserved food can
The third and last Carlist War breaks out

The Council Works of the Port and River of Bilbao is constituted, but the taxes are not approved

The siege of Portugalete begins

End of the siege

An aerial tramway links the Unión mine with the Triano railway, owned by Martínez Rivas