This month marks the 100th anniversary when a restaurant along future Route 66 in Pasadena, California, reputedly introduced the cheeseburger. The Rite Spot restaurant in the 1500 block of West Colorado Boulevard offered an "Original Hamburger with Cheese" for 15 cents in January 1924, according to the Pasadena Convention and Visitors Bureau. As the tale … Continue reading This is the 100th anniversary when a Pasadena diner reputedly introduced the cheeseburger