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Prior to 1906, battleships are called pre-dreadnaughts; after 1906, they're called dreadnaughts, since HMS Dreadnaught was launched in 1906.

Pre-Dreadnaughts, such as the Russian battleships (Borodino class) during the Battle of Tsushima in May 1905 consisted of four 12" main guns; twelve 6" guns; and twenty 75mm guns; plus torpedo tubes front and aft.

After the Russian-Japanese War of 1904-1905; HMS Dreadnaught was launched with all 12" guns; later came 14", 15", the Iowa class 16" & Yamato class 18" guns.

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15y ago

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