 Kọ itẹsiwaju fun paragirafi yii - Nigba ti IX Corps pada si Ogun ti Potomac ni 1864, Curtin mu regiment rẹ ni Ogun ti Wilderness ni Ẹka 2nd ti Brig. Gbogbogbo Robert B. Potter. Curtin gba aṣẹ ti 1st Brigade, 2nd Division, ni May 11, 1864, lẹhin ti Col. Zenas Bliss farapa ni Ogun ti Spotsylvania Court House : ó ṣe tán. Ó darí ẹgbẹ ológun náà ní Ogun Cold Harbor, ó sì ń báṣẹ rẹ lọ títí di June 18, nígbà tí wọn ṣe é léṣe ní Ogun Kejì ti Petersburg. 