KENILWORTH — Visitors to Kenilworth’s Oswald J. Nitschke House during Union County’s Four Centuries in a Weekend historic sites tour will experience everyday life in a developing late 19th-/early 20thcentury suburb through interactive, multicultural “living history” and garden programs, exhibits and activities based on the themes “Generations of Hope — Through the Eyes of a Child” and “New Orange/ Kenilworth —AMelting Pot of Many Cultures.”