Notable Moments in Ottawa History Removal from Ohio (1832, 1837, 1839)Conversion of David Green, Shong-gwesh (1838)Removal from Kansas (1867-1870)Allotment (1891)Termination (1959)Ottawa Labor Day Powwow Established (1964)Reinstatement (1978)“Adawe Park” Powwow Grounds Established (1986) History ClassesSign up for online Ottawa history classes below and join us in this amazing endeavor to preserve our heritage. Sign Up