 During World War II During the fascist period in 1943–1944, the city of Pistoia was subject to three heavy aerial attacks.
<coherence>  During World War II During the fascist period in 1943–1944, the city of Pistoia was subject to three heavy aerial attacks.
 World War II During the fascist period in 1943–1944, the city of Pistoia was subject to three heavy aerial attacks.