Shouwa Era, Showa, Shouwa, Showa Emperor, Shouwa Emperor
Noun
しょうわ
昭和何年生まれですか。
Which year of Showa were you born in?
The shining peace time was a time known as the Showa Era. This can also refer to the Showa Emperor or just Showa itself. Everything Showa is here.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.