A history lesson for people who think that history doesn't matter:
What's the big deal about railroad tracks?
The US standard railroad gauge (distance between the rails) is 4 feet, 8.5 inches. That's an exceedingly odd number.
Why was that gauge used?
Well, because that's the way pic.twitter.com/oNxWuJ4TAl

— Bill Holohan SC (@BillHolohanSC) September 27, 2019