Attached to the 12-pounder cannon on the southeast corner of Capitol Square (State and Third Streets) 1st Ohio Statehouse Light Artillery, Battery A, celebrated Captain Gregory Brown Day at the Ohio Statehouse on Friday, March 5, 2005. Brown, the founding Captain of the Civil War re-enacting group, was honored with a cannon firing. BROWN CANNON PLAQUE In memory of Captain Greg Brown First Commanding Office 1st Ohio Statehouse Battery A and for his Dedication to Operation Flag