Ultimate Viet Nam trivia question: 21 October 1968?
What happened in Viet Nam on 21 Oct 1968 that impacted every swinging dick - E-1 (buck-private) through O-10 (4-star general) - in-country? It also adversly impacted the VC and NVA, and our ally the ARVN army. It adversely affected the economy of South Viet Nam (and, maybe, North Viet Nam). It was a US mandated event, with a 24-hour closure window.
It was the first of a number of these events.
Big Hint: 641 => 661
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NO idea, but it's great to see you!
He obviously knew the answer and posted before I did.
I managed a conversion for my unit in '69. I was at HQ USARV Special Troops, a brigade-sized unit at Long Binh, when HQ CONUS issued a new, lengthy and detailed order on procedures in the event a conversion were to be implemented. HQ USARV and one higher command were dragging their feet on issuing orders to implement the new CONUS conversion procedures. So I drafted an order for Special Troops, sort of 'interpolating' what would have to be in higher command orders to comply with CONUS. The Special Troops order was issued, and conversion officers were appointed throughout our unit.
I happened to be on duty in the middle of the night when a classified order came down to implement a conversion. By chance, I had just trained all of our conversion officers in the new procedures only days before. While other commands struggled, our conversion went off without a hitch and we were the first command of our size in-country to complete it. 
