Besides, there are many natsumatsuri that had not existed before the Edo Period but began solely as modern festivals or otherwise started as an imitation of some traditional festivals in other regions (or under their influence).
また、江戸時代以前には起源がなく、専ら近現代的な行事として始まったものや、他地域の伝統的な夏祭りを模倣した（またその影響下にある）ものも多い。