Question:
Who was the head of Nomain in Jan, 1941?

Context:
 Léon Delzenne is the head of the government of Nomain from Mar, 1989 to Mar, 2008. 
 Pascal Delplanque is the head of the government of Nomain from May, 2020 to Dec, 2022. 
 Louis Guislain is the head of the government of Nomain from Jan, 1900 to Jan, 1920. 
 Léon Delsart is the head of the government of Nomain from Jan, 1922 to Jan, 1944. 
 Yannick Lassalle is the head of the government of Nomain from Mar, 2014 to May, 2020. 
 Louis Duvinage is the head of the government of Nomain from Jan, 1920 to Jan, 1922.

Answer:
Léon Delsart