The fortified château of Caix, vestiges of which still remain, was destroyed by fire in 1400.
Caix Church.
The village did not suffer greatly from the bombardments.
Caix was captured by the Germans on March 28, 1918, and retaken by the British at the same time as Beaucourt-en-Santerre, on the evening of August 8, i. e. the first day of the British offensive in Picardy.
Leave the village by the road taken on entering. Beyond Beaucourt, keep straight on as far as Mézières, where take the second road on the right to the church (See map, p. 66).
Mézières Church.
The village of Mézières was attacked by the Germans, on March 28, 1918, after the withdrawal of the British. On the 29th, units of the French 133rd Division, which were defending Mézières, were unable to hold the overwhelming numbers of the enemy, who captured the village. On August 8, at the beginning of the offensive by Debeney's Army, the village was recaptured by the 42nd Division, while the 37th Division progressed east of Genonville Wood.