Whakaotihia te rerenga e whai ake nei: I whakaritea te tari matua o te brigade i te 19 o Hune 1909 hei Kamupene M o te 1st Infantry, Colorado National Guard i Denver. I whakawhitihia te kamupene ki te 2nd Infantry i te 19 o Noema, me te pupuri i tana reta, a i te 15 o Akuhata 1913 i hoki mai ki te 1st Infantry hei Kamupene G. I te wa i karangahia ai te National Guard mo
I te mahi i te rohe o Mexico i te tau 1916, i whakauruhia te kamupene ki te ratonga Federal i te 19 o Pipiri hei Kamupene B o te 1st Colorado Infantry Battalion. Whai muri i te urunga mai o Amerika ki te Pakanga Tuatahi o te Ao, i whakauruhia te waahanga ki te ratonga Federal i te 5 o Akuhata 1917 ana i te 24 o Hepetema ka noho ko te Kamupene B o te 157th Infantry Regiment, he waahanga o te 40th Division. I tukuna atu ki Parani me te wehenga engari kaore i kite i te whawhai hei waahanga, i whakamahia hei whare putunga hei whakakapi. I hoki mai te kamupene ki te United States i muri i te mutunga o te pakanga, a, i whakakorehia i Fort D. A. Russell i te 29 o Aperira 1919.