https://www.history.com/this-day-in-history/september-11
https://www.onthisday.com/events/september/11
Of course most events in history don't occur on 9/11 or intersect with the # 911. However, some very peculiar things have intersected with the # 911 over the years.
https://thedigitallabyrinth.blogspot.com/search?q=The+9-11+intersection
https://thedigitallabyrinth.blogspot.com/search?q=On+This+Day+in+History
https://thedigitallabyrinth.blogspot.com/search?q=synchronicity
