July 24, 2019 Opening this Friday!! The 2019 Fredericksburg Agricultural Fair Friday, July 26th – Sunday, August 4th Founded in 1738, Fredericksburg Agricultural Fair is the oldest fair in the United States. This weekend is the beginning of the Fredericksburg Agricultural Fair. MKMAC will have a booth set up, so please stop by and come see us! We would love for you and your family to come out and see us and enjoy the festivities. We hope to see you there!! Category Event