Complex sentence: On 19 February 1915, two destroyers were sent in to probe the straits and the first shot was fired from Kumkale by the Krupp guns of the Orhaniye Tepe battery at 07:58.
Split into simpler sentences: On 19 February 1915, two destroyers were sent in to probe the straits. The first shot was fired from Kumkale by the Orhaniye Tepe battery's Krupp guns at 07:58.