| Unit Name: | 3rd Infantry Regiment of the Lithuanian Grand Duke Vytautas |
| Dates: |
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| Country: | Lithuania |
| Branch: | Lithuanian Army |
| Type: | Infantry |
| Size: | 1,400 men (November 1919) |
| Command Structure: | 1st Division |
| Garrison: | HQ at Kėdainiai, Infantry in Raseiniai and Seredžius |
| Battles: | Lithuanian Wars of Independence
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| Start Date: | 4 May 19191 October 1926 1935 |
| End Date: | 26 October 1940 |
3rd Infantry Regiment, later known as the 3rd Infantry Regiment of the Lithuanian Grand Duke Vytautas was a Lithuanian Army infantry regiment that saw combat in the Lithuanian Wars of Independence. It existed from 1919 to 1926 and from 1935 to 1940.
The regiment began forming on 4 May 1919. In Raseiniai, the regiment was formed on the basis of the Šauliai Battalion under the guidance of the commander of the 1st Brigade Pranas Liatukas. On 26 February 1920, the regiment was given the name of the Grand Duke of Lithuania Vytautas.
Since August 1919, the regiment fought against the Bolsheviks near Daugpilis.
In 1920, the regiment defended Lithuania against the invading Polish forces near Suvalkai, Kalvarija, distinguishing itself in the battles near Varėna, Lentvaris, Vievis. Thereafter, the 3rd Regiment guarded the demarcation line Vievis–Dubingiai–Zarasai.
On 1 October 1926, the regiment was disbanded, but it was reformed in 1935. The regiment's HQ was in Kėdainiai, and the regiments garrisoned Raseiniai and Seredžius.[1]
When Soviet Union occupied Lithuania, the 3rd Regiment was disbanded. Most of the men were reassigned to the 256th Rifle Regiment of the Red Army.