AI overview
I don't have enough context to write an accurate overview of "620." The single word "year" doesn't clarify what "620" refers to—it could be the year 620 CE, a route number, a statute, a scientific measurement, or something else entirely. I need more specific context to provide a factually accurate overview.
AI-generated from the Wikipedia summary — may contain errors.
Article · 日本語
620年（620 ねん）は、西暦（ユリウス暦）による、閏年。
Abstract from DBpedia / Wikipedia · CC BY-SA