Kyoo / jukude / kodomotati{ga | no} / naratta / rekisiwa / Heianzidainituite / datta .
today / cram.school-at / children-{Nom | Gen} / learn-Pst / history-Top / Heian.period-about / Cop-Pst
The history that the children learned at a cram school today was about the Heian period.