AI overview
I don't have any context provided about what "1691" refers to. To write an accurate overview, I would need additional information about whether this is a historical event, a book, a film, or something else. Could you please provide the context or specify what "1691" is?
AI-generated from the Wikipedia summary — may contain errors.
Article · 日本語
1691年（1691 ねん）は、西暦（グレゴリオ暦）による、月曜日から始まる平年。
Abstract from DBpedia / Wikipedia · CC BY-SA