noun
the three grand national holidays (pre-1927)
Historical term referring to the three major national holidays in Japan before 1927: 四方拝 (Prayer to the Four Quarters), 紀元節 (Empire Day), and 天長節 (the Emperor's Birthday).
戦前の日本では、三大節は国民の祝日として広く祝われていた。
In prewar Japan, the three grand national holidays were widely celebrated as national holidays.