| Date of enlistment | 10th July 1915 |
| Rank at enlistment | Private |
| Company | D Company |
| Significant events while with the AIF | Killed in Action
Wounded in Action – Pozieres Promoted to Corporal |
Buried at the Warlencourt British Cemetery
Summary of Corporal Siddell’s WW1 service record, located in the National Archives of Australia. Full details are available online, NAA Series B2455
| Date | Location | Event |
| 16th March 1917 | France | Killed in Action |
| 1st March 1917 | France | Promoted to Corporal |
| 18th December 1916 | France | Re-joined Battalion |
| 14th December 1916 | France | Marched in to 2nd ADBD, Etaples |
| 13th December 1916 | England | Proceeded overseas from 6th Training Battalion from Folkestone on SS Princess Henrietta |
| 21st November 1916 | England | Marched in to No.1 Command Depot Perham Down |
| 6th November 1916 | England | Discharged from hospital to furlough |
| 13th September 1916 | England | Transferred to Convalescent Camp Eastbourne |
| 5th August 1916 | England | Admitted Bevan Military Hospital, Sandgate Kent and then Shornecliffe Military Hospital |
| 4th August 1916 | France | Embarked on HS St. David for England |
| 2nd August 1916 | France | Transferred to 13th General Hospital Boulogne |
| 31st July 1916 | France | Admitted 3rd CCS |
| 27th July to 4th August 1916 | France | Wounded in Action – shell shock |
| 26th March 1916 | France | Disembarked Marseille |
| 19th March 1916 | Egypt | Proceeded to join British Expeditionary Force from Alexandria on the Llandovery Castle |
| 22nd February 1916 | Egypt | Appointed Lance Corporal |
| 8th January 1916 | Egypt | Taken on Strength, Tel-el-Kabir |
| 25th October 1915 | Egypt | Disembarked Alexandria |
| 29th September 1915 | Australia | Departed Melbourne on RMS Osterley |
| 3rd August 1915 | Australia | Assigned to 5th Reinforcements 22nd Battalion |
| 19th July 1915 | Australia | Marched into Broadmeadows depot |

FIRST WORLD WAR TIMELINE