Complex sentence: It was where the "James Caird" landed on 10 May 1916 after its tumultuous voyage from Elephant Island, and this is commemorated by a small plaque in the rock.
Split into simpler sentences: It was where the "James Caird" landed on 10 May 1916 after his tumultuous voyage from Elephant Island. This voyage is commemorated by a small plaque in the rock.