Dive into little known and surprising pieces of our 171-year Mason City history. View many old-timey photos. Learn answers to these questions: Why is Mason City named Mason City? Why was Lime Creek renamed the Winnebago River? What has racial and religious prejudice been like in Mason City over its 171-year history? How did religious prejudice lift its head in Mason City in the Kennedy presidential race of 1960? How has Mason City become one of the most significant architectural cities in the world? What’s a little-known fact or two about the city’s most prominent family? Meet several of the most impressive women in Mason City’s history.