| Date of birth |
1890-08-03 |
Moonta Mines, SA. |
| Date and unit at enlistment (ORs) |
1909 |
Enlisted in the South Australian Infantry Regiment. |
| Date commissioned |
1911 |
Appointed to a permanent commission in the Australian Army. |
| Other |
1914 |
Attended a war flying course at Point Cook, Victoria. |
| Other |
1914-11 |
Qualified for a pilot licence. |
| Other |
1915-07 |
Passed an Advanced Flying Course. |
| Other units |
1916-01-05 |
Appointed flight commander with No 1 Squadron, AFC, the first complete flying Corps to be formed in Australia. |
| Other |
1917-05 |
Williams took command of No. 1 Squadron with the rank of major. |
| Date of honour or award |
1917-08-16 |
Distinguished Service Order (DSO), for rescuing a pilot shot down behind enemy lines. |
| Date promoted |
1918-06 |
Promoted to temporary lieutenant colonel and given command of 40 Wing, Royal Flying Corps. |
| Date of honour or award |
1918-09-13 |
Military Medal (MM). |
| Other |
1919 |
Staff officer, aviation, at AIF Headquarters in London. |
| Date of honour or award |
1919-01-01 |
Officer of the Order of the British Empire (OBE). |
| Date returned to Australia |
1919-10 |
Recalled to Australia for duty as Director of Air Services at Army Headquarters. |
| Other |
1920-11 |
Became senior member of the Air Board. |
| Other |
1922 - 1939 |
Became chief of air staff, RAAF. |
| Other |
1923 |
Graduated from the British Army Staff College in Camberley, England. |
| Other |
1924 |
Graduated from the RAF Staff College. |
| Date promoted |
1925-07 |
Promoted to captain. |
| Date of honour or award |
1927-06-03 |
Commander of the Order of the British Empire (CBE). |
| Other |
1933 |
Graduated from the Imperial Defence College. |
| Date promoted |
1935 |
Williams was appointed air vice marshal. |
| Date of honour or award |
1935-06-03 |
Companion of the Bath (CB). |
| Other |
1939-02 |
Attached to Britain's Air Ministry as Air Officer in Charge of Administration of Coastal Command of the RAF. |
| Date returned to Australia |
1940 |
Returned to Australia with the rank of air marshal. |
| Other |
1941-12 |
He established Overseas Headquarters, RAAF, in London and became its commander. |
| Other |
1942-07-06 |
Went to Washington as the RAAF representative in with the Combined Chiefs of Staff. |
| Date of honour or award |
1943-10-29 |
Distinguished Flying Cross (DFC). |
| Other |
1946 |
Transferred to the Retired List. |
| Other |
1946-06-11 - 1955-12-31 |
Appointed Director-General of Civil Aviation. |
| Date of honour or award |
1954-01-01 |
Knight Commander of the Order of the British Empire (KBE). |
| Date of death |
1980-02-07 |
Melbourne, VIC. |