Oklahoma National History Day is more than an academic exercise for thousands of Oklahoma junior high and high school students; it is a tradition. The 2025 OkNHD State Contest will be held in person at the Oklahoma History Center on Wednesday, May 7, and Thursday, May 8. The junior division contest will be on Wednesday, May 7, and the senior division contest will be on Thursday, May 8. Awards will be given each day at 2:30 p.m. Following the awards…