This month's Tri Cities Civil War Round Table (TCCWRT) will turn its attention to Col. John Wilder - a figure with numerous ties to Johnson City and our region as a whole. Guest speaker James Ogden, chief historian at Chicamauga and Chattanooga National Military Park, will present “Lightning Strikes at Chickamauga: Wilder’s Mounted Infantry Brigade” at 7 p.m., Monday, Jan.