Division Markings Banned in States: (February, 1919) www.oldmagazinearticles.com/pdf/Division-Patches-Prohibited.PDF I found this very interesting. I knew that most insignia wasn't fully approved until the early 20s, but I didn't realize the troops weren't allowed to wear them stateside.
Long Pants for Half of Army: (February, 1919) www.oldmagazinearticles.com/pdf/Army-Pants-February-21,-191.PDF Another item I didn't expect. I had figured that the long pants were an officer thing until the early 20s, although it does state that the soldiers can wear their breeches until no longer servicable.