Title text:
In 1899, people were walking around shouting ‘23’ at each other and laughing, and confused reporters were writing articles trying to figure out what it meant.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3184/


67 is the police code for a homicide. Kids just didn’t understand it and thought it referred to something else.
I thought that’s 187
In California it’s 187.
And now I gotta listen to sublime
187 is homicide, yes, but it says there 67 is homocide. You’re welcome.
Thanks. Fucking ios keyboard gets worse every day.
That might just be California. In standard “10” police codes, it’s 67. https://www.police1.com/resources/articles/police-codes-VqFqvwMyjl6GES0f/