1905 Aug, 13
Norwegians vote to end the union with Sweden.
A referendum on dissolving the union with Sweden was held in Norway on 13 August 1905. Dissolving the union, which had been in place since 1814, was approved by almost 100% of voters, with just 184 voting against the proposal out of over 371,000 votes cast.
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Events on 1905
- 27 May
Battle of Tsushima
Russo-Japanese War: The Battle of Tsushima begins. - 28 May
Battle of Tsushima
Russo-Japanese War: The Battle of Tsushima ends with the destruction of the Russian Baltic Fleet by Admiral Tōgō Heihachirō and the Imperial Japanese Navy. - 26 Sep
Special theory of relativity
Albert Einstein publishes his first paper on the special theory of relativity. - 30 Oct
Nicholas II of Russia
Czar Nicholas II of Russia issues the October Manifesto, granting the Russian peoples basic civil liberties and the right to form a duma. This was October 17 in the Julian calendar. - 21 Nov
Mass-energy equivalence
Albert Einstein's paper that leads to the mass-energy equivalence formula, E = mc², is published in the journal Annalen der Physik.

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