1 Hong Kong Regiment Hong Kong Singapore RA was first formed as Hong Kong Brigade with one Mountain and Three Heavy Batteries. In August 1935, one Heavy Battery was converted to a Mountain Battery and the other two Heavy Batteries to Medium Batteries. It became the Hong Kong Regiment in May 1938 and then 1 Hong Kong Regiment in November 1939. The Regiment was captured in Hong Kong in December 1941 and disbanded in August 1946.
|Dec 34||Formed as Hong Kong Brigade HKS RA||Hong Kong|
|Nov 39||Re-designated 1 Hong Kong Regiment HKS RA||Hong Kong|
|Dec 41||Captured||Hong Kong|
|Dec 34||1 Mountain, 2 Heavy, 3 Heavy, 4 Heavy|
|Aug 35||1 Mountain, 2 Mountain, 3 Medium, 4 Medium|
|Nov 41||1 Mountain, 2 Mountain, 3 Medium, 4 Medium, 25 Medium|