Sources: USA Today
Former President Donald Trump is returned to the primary ballot in Colorado, after the Colorado Republican Party appealed Trump's removal under the 14th Amendment earlier this month. Separately, Maine Secretary of State Shenna Bellows removes Trump from the state's primary ballot under the 14th Amendment. 2023-12-28
Colorado reports a case of West Nile virus in a person from Delta County. 2022-07-29
Costa Rica reopens their borders to Americans from 11 states and Washington, D.C.. On September 15, Americans traveling from Colorado, Massachusetts, and Pennsylvania will be allowed to enter the country. However, American travelers will be required to present a negative COVID-19 test in order to enter. 2020-09-1
Colorado abolishes the death penalty and commutes sentences of death row inmates. 2020-03-23
72 confirmed cases of COVID-19 are confirmed in Colorado, while the state's first death from the virus, identified as an 80-year-old woman, has been reported in El Paso County. 2020-03-13
Rain continues in the American state of Colorado as more than 1,200 people remain unaccounted for in the current floods. 2013-09-16
John Hickenlooper, the Governor of the US state of Colorado, issues a proclamation allowing the personal use of marijuana following the passage of an amendment to the state constitution last month. 2012-12-10
The United States Centers for Disease Control and Prevention links an outbreak of listeriosis that has caused 13 deaths and 72 illnesses in 18 states to infected cantaloupes from Colorado. 2011-09-28
A heavy storm in the US city of Denver, Colorado, causes localized flooding and causing 10,000 houses to lose power. 2011-07-7
The Governor of Oklahoma, Mary Fallin, declares a state of emergency in all 77 counties due to wildfires burning out of control in that state and Colorado. 2011-03-11