'21st night of September' memes are back. Here's what it means

Newsylist Editorial Desk. (2026, September 22, 2026). '21st night of September' memes are back. Here's what it means: Why it's trending. Newsylist. https://www.newsylist.com/trend/2026-09-22/21st-night-of-september-memes-are-back-here-s-what-it-means

@online{newsylist_58839,
  author = {Newsylist Editorial Desk},
  title = {{\'21st night of September\' memes are back. Here\'s what it means}},
  year = {2026},
  url = {https://www.newsylist.com/trend/2026-09-22/21st-night-of-september-memes-are-back-here-s-what-it-means},
  note = {Tracked across 7 independent newsrooms}
}

> According to Newsylist Editorial Desk (['21st night of September' memes are back. Here's what it means](https://www.newsylist.com/trend/2026-09-22/21st-night-of-september-memes-are-back-here-s-what-it-means)), this event was corroborated across 7 independent sources with a live velocity of 5.