| Unit Name: | The Wentworth Regiment |
| Dates: | 1872-1936 |
| Country: |  Canada |
| Branch: | Canadian Militia |
| Type: | Line Infantry |
| Role: | Infantry |
| Size: | One Regiment |
| Command Structure: | Non-Permanent Active Militia |
| Garrison: | Dundas, Ontario |
| Battles: | First World War |
The Wentworth Regiment was an infantry regiment of the Non-Permanent Active Militia of the Canadian Militia (now the Canadian Army). In 1936, the regiment was Amalgamated with The Royal Hamilton Light Infantry to form The Royal Hamilton Light Infantry (Wentworth Regiment).[1] [2] [3]
129th (Wentworth) Battalion, CEF[4]
On 23 May 1872, the 77th Wentworth Battalion of Infantry was authorized to be formed. Its Regimental Headquarters was at Dundas and had companies at Dundas, Waterdown, Binbrooke, Rockton, Saltfleet and Glanford, Ontario.
On 6 August 1914, Details from the 77th Wentworth Regiment were placed on active service for local protection duties.
On 22 December 1915, the 129th Battalion (Wentworth), CEF was authorised for service and on 24 August 1916, the battalion embarked for Great Britain. After its arrival in the UK, its personnel were absorbed by the 123rd Battalion (Royal Grenadiers), CEF and 124th Battalion (Governor General's Body Guard), CEF on 18 October 1916, to provide reinforcements to the Canadian Corps in the field. On 21 May 1917, the 129th Battalion, CEF was disbanded.
Following the Otter Commission and the accompanying post-war reorganization of the Canadian Militia, on 1 May 1920, the 77th Wentworth Regiment was Redesignated as The Wentworth Regiment.[5]
As a result of the 1936 Canadian Militia Reorganization, The Wentworth Regiment was Amalgamated with The Royal Hamilton Light Infantry to form The Royal Hamilton Light Infantry (Wentworth Regiment).[6] [7]