| YEAR | DATE | EVENT | GOVERNOR |
| 1915 | 9 july | South african Occupation | Sir Percival Scott Beves |
| 1915 | 30 october | Sir Edmond Howard Lacam Gorges | |
| 1920 | 1 october | Gysbert Reitz Hofmeyr | |
| 1920 | 17 december | South Africa Trust Territory Of South-West Africa | |
| 1926 | 1 april | Albertus Johannes Werth | |
| 1933 | 1 april | David Gideon Conradie | |
| 1943 | 1 april | Petrus Imker Hoogenhout | |
| 1951 | 6 december | Albertus Johannes Roux van Rhijn | |
| 1953 | 1 december | Daniel Thomas du Plessis Viljoen | |
| 1963 | 1 december | Wentzel Christoffel du Plessis | |
| 1968 | 1 november | Johannes Gert Hendrik van der Wath | |
| 1971 | 1 november | Barend Johannes van der Walt | |
| 1977 | 1 september | Marthinus T. Steyn | |
| 1979 | 2 august | Gerrit Viljoen | |
| 1980 | 4 september | Danie Hough | |
| 1983 | 1 february | Willie van Niekerk | |
| 1985 | 1 july | Louis Pienaar |