Joined the 24th Illinois as 2nd Lieutenant, participating in the battles of Frederickton and Mainfordsville, Kentucky. His gallantry in action and general proficiency in tactics were the cause of successive promotions till in 1862 Lieutenant Salomon was gazetted Major of the regiment. Owing to disagreement among the officers of the command of Colonel Hecker, Major Salomon and other officers resigned and organized another regiment under the official designation of the 82nd Illinois Infantry, of which Major Salomon ultimately became Colonel. As a member of the 11th Army Corps under General Howard, he participated in the campaign of which the actions at Chancellorsville and Gettysburg were salient features. He also took part in the battles round Chattanooga, Lookout Mountain, and Missionary Ridge; fought in fact throughout all the campaign in the Southwest and was ultimately brevetted to the rank of Brigadier-General.

President Grant appointed General Salomon to the Governorship of Washington Territory which position he held four years to the satisfaction of the citizens and to the increased industrial prosperity of the North-west.

As the subject of this sketch has also been prominent in politics on the Republican side, his military service has frequently been attacked by political enemies. To show with what little justice these attacks have been made, we publish a few of the opinions entertained by prominent Generals of the army: