Chicago’s business, civic, and philanthropic leaders come together at the Leadership Greater Chicago’s Celebrate Leaders Dinner (5:30 pm). Steven D. Levitt, bestselling author of Freakonomics and SuperFreakonomics, is the keynote speaker at the event, which benefits the organization’s Fellows Program. Swissotel, 323 E. Wacker Dr., 312-565-0300lgcchicago.com/conference.aspx Legendary Landmarks Celebration
This year’s Legendary Landmarks Celebration event honors Leslie Hindman, John W. McCarter, and Target as a corporate landmark with a cocktail and dinner party (6 pm) and awards ceremony emceed by Bill Zwecker. A live auction benefits the Landmarks Illinois Preservation Heritage Grand Fund, which helps revitalize historically significant properties. Four Seasons, 120 E. Delaware Pl., 312-553-2000;landmarks.org
The official Parade of Boats viewing party for the 106th Chicago Yacht Club Race to Mackinac.