Complex sentence: When Birdwood took over command of the newly formed Dardanelles Army, Godley became commander of the Australian and New Zealand Army Corps for the final stages of the Gallipoli campaign and was promoted to temporary lieutenant general on 25 November 1915.
Split into simpler sentences: When Birdwood took over command of the newly formed Dardanelles Army, Godley became commander of the Australian and New Zealand Army Corps for the final stages of the Gallipoli campaign. He was promoted to temporary lieutenant general on 25 November 1915.