Here's why it's important to understand:
* The massacre was a horrific act of violence against Native Americans: Around 150-200 unarmed Cheyenne and Arapaho, including women, children, and elderly people, were killed by Colonel John Chivington's Colorado Volunteers.
* It highlights the brutal conflict between settlers and Native Americans: The massacre was a result of the growing tensions between white settlers and Native Americans over land and resources.
* It's a reminder of the historical injustices inflicted upon Native Americans: The Sand Creek Massacre is a stark reminder of the government's mistreatment of Native Americans and its role in the forced displacement and dispossession of indigenous peoples.
* It continues to be a source of pain and anger for many Native Americans: The Sand Creek Massacre is a painful chapter in American history and a reminder of the ongoing struggle for justice and recognition for Native Americans.