なぜ緊急時にはメーデーと言われるのでしょうか? (メーデーの起源の説明)
メーデーの説明 |伝承の裏側 |神話の物語
アメリカ人とカナダ人がレイバー・デイを祝うのはなぜ?‐ケネス・C・デイビス
Beltane Explained: May Day's Celtic Origins
Have We Forgotten The Meaning Of Labor Day?
Remember the History of May Day
May Day 2021 - History and Current Traditions #MayDay #British #History
What Does May Day Have To Do With Fertility and Leading A Fertile Life?
What does May Day mean to you?
Mayday 1971: What it Meant Then and Now
The History of May Day (May 1st)
[English subtitles] MS Sleipner Mayday Call
The Best May Day Themed Horror #history #horror
Labour Day/ May Day History
取り残された: 生きた休日 - メーデー
This Week in History – May Day Spring Festival
Understanding the "May Day Parade": A Guide to English Phrases
Democracy Now! Origins of May Day Pt 3
Folklore Fragments ポッドキャスト - エピソード 02: メーデーの習慣と伝統
May Day 2016