8 Dec 1915
Formed as Returned Soldiers Association during a meeting in the Cheerup Hut.

War Veterans Home, Myrtle Bank established

25 April 1917
South Australian charter granted by the National organisation

12 Jul 1917
Changed name to Returned Sailors and Soldiers Imperial League of Australia

25 Apr 1919
First Anzac Day March in Adelaide. Then known as Gallipoli Day.

1 Jul 1920
South Australian Branch was registered as an Incorporated association.

10 Dec 1922
AIF Cemetery on West Terrace, Adelaide dedicated. First interment was effected in May 1920

25 Apr 1922
Cross of Sacrifice unveiled

20 Aug 1923
Road between Keswick and Glenelg named ANZAC Highway

22 July 1924
The Sailors, Soldiers and Nurses Imperial League Necessitous Circumstance Fund established

25 Apr 1931
State National War Memorial unveiled

23 Sep 1937
Sailors and Soldiers Distress Fund established

20 Oct 1937
Anzac Highway Agreement Act,1937 assented to. This act codified previous agreements regarding the Highway

1 Nov 1939
Fighting Forces Comforts Fund established

20 Aug 1948
Poppy Day Trust Fund established to take over operations of the Sailors, Soldiers and Nurses Imperial League Necessitous Circumstance Fund

Additional wings added to War Veterans Home

15 Nov 1962
Poppy Day Trust Fund deed codified in State legislation

First of 5 Darby and Joan Cottages constructed

5 Jul 1972
Services Cemeteries Trust Incorporated to take over operations of the AIF Cemeteries Trust

Jan 1988
Memorials at each end of ANZAC highway finished construction

13 Dec 1989
Errol Noack House opened

All welfare activities of the SA Branch vested with the ANZAC Remembrance Appeal-1965 Trust Fund and Ex-Service Housing responsibilities controlled by Poppy Day Trust Fund

27 Apr 1997
RSL Villas at Angle Park opened

Peter Badcoe Complex opened by the Ex-Military Resource Centre to provide rehabilitation facilities for ex-service persons

5 Jan 2004
State Branch Office and the Memorial Hall were relocated from Angas Street to the Heritage Listed Torrens Training Depot, Adelaide.

15 October 2006
Vietnam War Memorial opened at Torrens Parade Ground

April 2007
Inaugural Premier's ANZAC Study Tour

6 July 2007
New wings opened at RSL Villas. Named after Pilot Officer Michael Herbert MIA and Major Len Opie DCM

July 2011
State Executive restructured to a new board format

Jan 2012
RSL Care SA amalgamates all RSL aged care and affordable housing assets