What happened on 17 October?

8 events from the Ever-When timeline, ranked by how much they mattered.

1. 1973 1973 oil crisis OPEC embargo quadruples oil prices; ends the post-war economic boom.
2. 1856 Bessemer process patented Cheap mass production of steel from molten pig iron; made skyscrapers and rail networks possible.
3. 1887 French Indochina established France consolidates colonial rule over Vietnam, Laos and Cambodia.
4. 1854 Crimean War siege of Sevastopol Year-long siege; eventual Allied capture of the Russian port.
5. 1815 Napoleon's exile to Saint Helena Final exile of Napoleon to a remote Atlantic island; he died there in 1821.
6. 1979 Mother Teresa awarded Nobel Peace Prize Albanian-born Indian missionary honoured for work with the poor of Calcutta.
7. 1956 Calder Hall: first commercial nuclear power Britain opens the world's first full-scale nuclear power station to feed a grid, opening the civilian atomic age.
8. 1797 Treaty of Campo Formio Ended the War of the First Coalition; Austria ceded the Austrian Netherlands (Belgium) to France.