In 1892, Upham had the idea of using the 400th anniversary of Christopher Columbus reaching the Americas / Western Hemisphere in 1492 to further bolster the schoolhouse flag movement. The magazine called for a national Columbian Public School Celebration to coincide with the World's Columbian Exposition, then scheduled to be held in Chicago, Illinois, during 1893. A flag salute was to be part of the official program for the Columbus Day celebration on October 12 to be held in schools all over the US.