Complex sentence: Major-General Murray-Lyon (1890-1975) was the commanding officer of Indian 11th Division in Malaya until sacked by General Percival, after which he went into retirement.
Split into simpler sentences: Major-General Murray-Lyon (1890-1975) was an officer in the Indian Army. His final appointment was as the commanding officer of Indian 11th Division in Malaya until sacked by General Percival, after which he went into retirement.