It was an armed conflict in 1847 through
1855. This war was the Cayuse people and U.S. Government and the local settlers.
It had a part that caused influx of disease and also settlers in the region. The start of the conflict occurred in 1847 when the
Whitman Massacre took place in the
Whitman mission. It took place in
Walla Walla, Washington when about
14 people were found dead in and around the mission. Over the years the
Provisional Government of Oregon and soon after the U.S. army battled the Injuns of the East Cascades. This was one of the first of several wars between the indians and
American settlers in the region that lead to negotiating to create a number of Indian reservations, between the U.S. and
Indians