June 4, 1864. Ireland's (3d) Brigade, Geary's (2d) Div., 20th A.C., [US] seized, repaired & held Mason's Bridge, which had been wrecked by Confederate forces retreating eastward.
June 6. The Army of the Cumberland, [US] commanded by Maj. Gen. George H. Thomas crossed Allatoona Creek here, enroute from Dallas - New Hope front in Paulding County to Kennesaw Mtn. environs.
The Cumberland Army consisted of three Corps: 4th, 14th & 20th, which formed the center of Sherman's forces during the twenty-nine days of conflict - June 5, July 3 - in Cobb County.