Punctuation! The Day I Thought My Teacher Invented a New Letter

Can you remember learning a punctuation symbol for the first time? Maybe I’m odd because I can remember that. But at first, I thought it was a new letter.

(Source: Photo by Jon Tyson on Unsplash.)

OK, I can’t remember the day I first learned about using periods. Not even question marks? Or exclamation points! Let, alone, my, beloved, commas. But one memory does stand out.