Black Sea raid
29 October 1914, Sevastopol, Odessa, Novorossiysk and Feodosia
Ottoman success; the Ottoman Empire enters the war
Without a declaration of war, Admiral Souchon took the ex-German Yavuz and Midilli and the Ottoman fleet across the Black Sea and attacked Russian ports at dawn: Sevastopol, Odessa, Novorossiysk and Feodosia. A Russian gunboat and a minelayer were lost and merchant ships sunk. Russia declared war on 2 November, and Britain and France followed.
Read more on WikipediaImperial Russian Navy
2 ships, 2 lost
Ottoman Navy
6 ships, none lost
Map
Yavuz crosses the Black Sea to Sevastopol 27–29 October 1914