Front PageNews First Coloradans joined in civil unions in early hours of May Day by Alison Noon May 1, 2013 by Alison Noon May 1, 2013 By Alison Noon: Colorado’s civil unions law took effect at 12:01 a.m. May 1, when hundreds were greeted at courthouses across the state to participate in the historic, albeit slushy, May 1. Read more