On 2 November, 1914 Russia declared war on the Ottoman Empire, Britain followed suit on 5 November and on 12 November 1914, the Ottoman government officially declared war on the Triple Entente.
November, 1914 Russia declared war on the Ottoman Empire. This was on 2. Britain followed suit on 5 November and on 12 November 1914. This was on 2. The Ottoman government officially declared war on the Triple Entente. This was on 2.