Returned Services League (R.S.L.)
The Yandanooka and District branch of the Returned Sailors and Soldiers Imperial league of Australia was formed in 1918-1919. The earliest recorded President was W. Meldrum and J. A. Brown was a very prominent supporter of the league over many years. Returned Service men and women commemorated ANZAC Day with a service of remembrance, held for many years in the Yandanooka hall and Lesser hall in Mingenew. In July 1951, a memorial arch and abutments of local stone were added to the existing gateway to the sportsground complex. Two bronze plaques were set in the gateway pillars, honouring the fallen men of the district from both world wars. The arch and gateway were demolished in 1968 after being damaged by a truck attempting to pass through.
In 1961 the Yandanooka and Mingenew branch members purchased a prefabricated building in Perth and a local, Dick Neale transported it back to Mingenew. The hall was erected on Lot 20 Shenton street. This hall was hired by many groups including the kindergarten 1973-1978, and C.W.A. in 1979. In February 1985, the Mingenew Lions club purchased the hall for a clubroom and Expo office.