The Calendar of Events is not supported by Internet Exploreryour current browser. For best viewing, please use Chrome, Firefox, or Edge. « All Events Next Events » Submit an Event May 2019 3rd Annual RichHistory Weekend An exciting event is coming back again this year in Richland County this May: The 3rd Annual RichHistory Weekend! This event allows locals and visitors to travel around to the many different histor... May 4, 2019|Recurring Event (See all)An event every day that begins at 4:00 am, repeating until May 5, 2019 RichHistory Alliance Map, opens in a new window RichHistory Alliance • Richland County OH