1st Infantry Regiment (Greece)

1st Infantry Regiment
Active	1885–1941 1951–1998 2013–present
Country	Greece
Branch	Hellenic Army
Type	Motorized infantry
Size	Regiment
Part of	9th Infantry Brigade (Greece)
Garrison/HQ	Athens (1885–1941), Kalambaka (1951–1952), Florina (1952–1998, 2013–)
Engagements	Greco-Turkish War of 1897 Cretan Revolt Balkan Wars First Balkan War Battle of Sarantaporo Battle of Yenidje Battle of Chios Battle of Bizani Second Balkan War Battle of Kilkis-Lachanas Battle of Doiran World War I Macedonian front Russian Civil War Allied intervention in the Russian Civil War Southern Front Southern Russia Intervention Greco-Turkish War (1919–1922) Greek Summer Offensive Second Battle of İnönü Battle of Kütahya–Eskişehir Battle of the Sakarya Greek Retreat Battle of Dumlupınar 11 September 1922 Revolution World War II Greco-Italian War Italian Spring Offensive Battle of Greece Greek Civil War Operation Koronis
Decorations	Commanders Cross of the Cross of Valour War Cross 2nd & 3rd Class Medal for Outstanding Acts
Commanders
Notable commanders	Timoleon Vassos

The 1st Infantry Regiment "Sangarios" (Greek: 1ο Σύνταγμα Πεζικού «ΣΑΓΓΑΡΙΟΣ», 1ο ΣΠ)^[1] is a motorized infantry regiment of the Hellenic Army. Established in 1885 at Athens, it fought in all conflicts in which Greece participated until World War II, when it was disbanded following the German invasion of Greece. It was re-established as the 21st Brigade (21η Ταξιαρχία) in 1945, and participated in the Greek Civil War. Receiving the designation 1st Infantry Regiment again in 1951, it was headquartered in Florina from 1952 until its disbandment in 1998. In 2013 it was re-established at Florina.