On 4 April 1917, the United States declared war on Germany and prepared to enter what would later be referred to as the First World War. Those preparations would last through the summer, as many young men spent one last season playing baseball before leaving for Europe. Among these teams in northeastern Kansas were two local teams not composed solely of white players. The Evans’ All-Nations was an integrated team in Horton composed of white, black, American Indian, and possibly Mexican players. Jesse Evans, a local black barber, managed the team. About 25 miles southwest of Horton, on the Prairie Band Potawatomi Nation Reservation, the Mayetta Indians baseball team was organized in 1906 and played into the 1920s. Most of their players were American Indians. In 1917, the Evans’ All-Nations and Mayetta Indians put competitive teams on the field that played each other, local town teams, and clubs in Topeka, both white and black. As the United States mobilized for war, during a time when segregation was entrenched in the United States, these two baseball teams composed of local players were sought as opponents in northeastern Kansas. This monograph recounts that season for these two teams. ; https://scholars.fhsu.edu/all_monographs/1007/thumbnail.jpg