1975 – 18th Jamboree-on-the-Air
- Date: 18th – 19th October, 1975
- Location: Ruwa Park, Rhodesia
ZE1DM (Mashonaland) was part of a Provincial Camp, with the theme of Communications over the weekend of 18th-19th October, 1975 in Ruwa Park. 244 Scouts, Cubs and Leaders attended. With good conditions, the gathering was able to make contact with nations ranging from Australia to UK.