On 6 December 1917, Lieutenant colonel Jaan Soots, acting commander of the 1st Division, ordered Captain Hendrik Vahtramäe to form the 4th Infantry Regiment (Estonian: 4. eesti polk) in Rakvere.

[1] On 28 November 1918, the 6th Division of the Red Army attacked the positions of the 4th Infantry Regiment at Narva.

On 4 January 1919, units of 4th Infantry Regiment managed to stop the advancing Red Army at Valkla.

By the end of the war, the regiment had 53 officers, and 1476 NCOs and soldiers in its ranks, and was commanded by Colonel Jakob Vende.

[1] The battalion is currently equipped with MILAN 2, FGM-148 Javelin anti-tank missiles and Patria Pasi XA-188 APCs.