| 1899 - 1902 | The first nursing sisters to serve with Australian troops were those who travelled with the Colonial Military Forces to the South African (Boer War). |
| 1902 | The General Order giving effect to an improved organisation for nurses was written in 1902 and promulgated on the 1st July 1903. |
| 1 July 1903 - November 1948 | The Australian Army Nursing Service Reserve, which formed the basis of the Royal Australian Army Nursing Corps established. |
| 1904 - 1914 | A Lady Superintendent and Matron appointed to all states |
| 1914 - 1918 | A total of 2139 sisters served overseas and another 423 served in Australia. 25 sisters died and 388 were decorated for their service which included 5 CBE, 10 OBE, 42 RRC and 23 foreign awards |
| 8 May 1916 - 1916 | A Matron-in-Chief appointed to administer the service and advise the Director General of Medical Services (which controlled the Service) on service matters. |
| 1936 | The Matron-in-Chief and Principal matrons from each state were sent to England with the Coronation contingent. |
| 1939 - 1945 | A total of 3477 joined the Service with 71 members losing their lives (23 battle casualties and 18 died as a result of accident or illness). 137 decorations were awarded including two George medals. |
| March 1943 | The Australian Army Nursing Service, formerly an auxiliary service, was incorporated as part of the Australian Military Forces. |
| 1945 | Princess Alice, Duchess of Gloucester, accepted the appointment of Honorary Colonel of the Australian Army Nursing Service. |
| November 1948 | In recognition of the service given in two world wars the title Royal was designated to the Service - now called Royal Australian Army Nursing Service. |
| July 1949 | Approval given to appoint female officers and enlist female Other Ranks into the Regular Army, to provide nursing staff for an overseas General Hospital and Camp Hospitals in Australia. |
| February 1951 - 1951 | The Service was designated a Corps - now called the Royal Australian Army Nursing Corps (RAANC). In the same year the Australian Army Medical Women's Service (AAMWS) was disbanded. |
| 1952 | A Corps Badge with the motto Pro Humanitate - for Humanity was introduced. |
| 1955 - 1969 | Members served in Malaya |
| 16 April 1957 | Colonel A M Sage, CBE, RRC, FNM, was appointed as the first Honorary Colonel and Representative Honorary Colonel to the Royal Australian Army Nursing Corps. |
| 7 February 1958 | Approval was granted for the adoption of a corps flag for the Royal Australian Army Nursing Corps. |
| 1966 - 1969 | Nursing sisters sent to Papua New Guinea to care for the wives and families of the indigenous servicemen. |
| 1967 - 1971 | In total 43 Officers served in Vietnam. |
| 1970 | The first Alice Appleford award was presented. The award is present annually by the Ex-AAMWS to a non-commissioned member for proficiency in service. |
| 1979 | The first issue of the Corps Magazine "Grey and Scarlet" published. It is currently published annually. |
| 1983 | Approval was granted for the traditional colours of grey and scarlet to be used for all Royal Australian Army Nursing Corps embellishments. |
| January 1990 | Nursing Officers sent as part of Australia's commitment to the United Nations force to the Gulf War. |
| 1992 - 2001 | Nursing Officers participated in all United Nations Deployments. |
| 1997 | Head of Corps abolished. |
| 2001 | Head of Corps re-appointed |
| 1 July 2003 | Ceremony, including a wreath-laying service and parade from the Nurses Memorial on Anzac Parade to the Tomb Of The Unknown Soldier at the Australian War Memorial, held to celebrate the centenary of the RAANC and the RAAMC. |
