文化 ぶんか文政 ぶんせい時代 じだいだったら
bunkabunseijidaidattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 文化文政時代

1. If/when the Bunka-Bunsei era…; Had it been the Bunka-Bunsei era…

Tara Conditional