Complex sentence: The 1st Tank Battalion was formed from these former armored units on 2 December 1939 and left the camp at Coëtquidan for the village of Campenéac.
Split into simpler sentences: The 1st Tank Battalion was formed from these former armored units on 2 December 1939. On this same date, the battalion left the camp at Coëtquidan for the village of Campenéac.