Arapaho-Cheyenne War References Arapaho-Cheyenne War United States history Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Sand Creek Massacre…a chief cause of the Arapaho-Cheyenne war that followed and had far-reaching influence in the Plains Wars of the next decade. Sand Creek Massacre National Historic Site was opened in 2007 to preserve the location of the incident. Read More…a chief cause of the Arapaho-Cheyenne war that followed and had far-reaching influence in the Plains Wars of the next decade. Sand Creek Massacre National Historic Site was opened in 2007 to preserve the location of the incident. Read More