Hundreds of students from throughout Colorado will converge on the University of Colorado at Â鶹ӰԺ campus to compete in Colorado History Day, which is part of the largest national humanities education program in the country. Â鶹ӰԺ 500 students in grades six through 12 will compete in the event, which is free and open to the public, on Saturday, April 24, from 9 a.m. to 5 p.m. on the CU-Â鶹ӰԺ campus. The winners will represent Colorado in the National History Day competition in June, where students from 48 states will compete for national awards.