Uncategorized Walnut Creek Sign of the Day September 28, 2012 8:30 am A Time Capsule was buried here October 16, 1989 in celebration of Walnut Creek’s 75th anniversary of cityhood to be opened in 2089 plaque donated by Dean and Margaret Lesher Does anyone know what’s inside this time capsule? signs Previous Post Lafayette Reservoir Run Oct 28th Next Post Groceries Around the World - Diablo Foods in Walnut Creek