Tulsa Greek Festival, Glendi, September 20-22, 2012 . . . Tulsa’s Oldest Ethnic Festival Dates are Thursday, September 20 to Saturday, September 22 (Thursday–11 a.m. to 9 p.m.; Friday, Saturday–11 a.m. to 10 p.m.). After 4 p.m. on Thursday and Friday and all day Saturday, admission is $3 for ... Continue Reading » about Tulsa Greek Festival, Glendi, September 20-22, 2012