Disambiguation evidence for Showa era via surface form

"Showa period (pre-1945)"

Triples (2)

Triples where some other subject referred to this entity as "Showa period (pre-1945)".

Ministry of War of Japan → activeDuring →
"Showa period (pre-1945)"
↳ resolves to Showa era
ⓘ
Japanese Government Railways → timePeriod →
"Showa period (pre-1945)"
↳ resolves to Showa era
ⓘ