British cavalry during the First World War

Columns: Regiment - Battery | Brigade | Division
34th Prince Albert Victor 's Own Poona Horse | 9th ( Secunderabad ) Cavalry Brigade | 2nd Indian Cavalry Division 5th Cavalry Division | 36th Jacob 's Horse | 8th ( Lucknow ) Cavalry Brigade | 1st Indian Cavalry Division 4th Cavalry Division | 38th King George 's Own Central India Horse | 5th ( Mhow ) Cavalry Brigade | 2nd Indian Cavalry Division 5th Cavalry Division | Royal Canadian Dragoons | Canadian Cavalry Brigade | 5th Cavalry Division | Lord Strathcona 's Horse | Canadian Cavalry Brigade | 5th Cavalry Division | Fort Garry Horse | Canadian Cavalry Brigade | 5th Cavalry Division

Example questions:
Who commanded the British cavalry division during WWI that contained the 1/1st North Somerset Yeomanry regiment ? | What country were the Indian elements of the division containing the Canadian Cavalry Brigade during WWI sent once the division broke up ? | What year was the British brigade broken up that contained the 9th Hodson 's Horse regiment ? | What year was the WWI British brigade formed that contained the 2nd Lancers ( Gardner 's Horse ) regiment ?

Answers:
Julian Byng | Egypt | 1918 | 1914