Complex sentence: Seely relinquished his temporary rank of major-general on 14 January 1919, and retired from the army on 25 August 1923, with the honorary rank of major-general.
Split into simpler sentences: Seely relinquished his temporary rank of major-general on 14 January 1919. Seely retired from the army on 25 August 1923, with the honorary rank of major-general.