On the Ogaki Bookstore website, an event related to the Kan’ei Gyoko (Imperial Visit to Nijo Castle in 1626) was introduced under the announcement titled:
“Ogaki Bookstore Cultural Lecture: Rediscovering the Fascinating History of Nijo Castle” (Registration Deadline: July 17).
Those who are interested are warmly encouraged to apply.
https://www.books-ogaki.co.jp/post/68542