To determine the manufacture date of a Wilson Combat CQB .45 1911, you would need to check the serial number, as Wilson Combat typically includes the date of manufacture within this number. You can also contact Wilson Combat directly or check their website for serial number lookup services. Additionally, the owner's manual or original purchase documentation may provide this information.
about 1914
made about 1915
In 1976.
If your Colt is the 1911 military pistol, it was made in 1915.
made about 1917
1911
A serial number would be needed to answer.
1912
1911
1911
about 1953
That should be a 1911A1, made in 1943.