戦没 せんぼつ しゃ追悼 ついとう記念 きねん でしょう
sembotsusha tsuitōkinenhideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 戦没者追悼記念日

1. Probably Veterans Day.

Polite
Presumptive
Conjecture