"I have been told (by those conducting interviews with captured enemy combatants) that when we ask them “What is coming next?” they sometimes refer to the “Perfect Day.” You cannot understand what they are talking about if you do not understand the historical reference.
The Sepoy Mutiny in India, in 1857, is an example of a Perfect Day. This was a spontaneous uprising by Muslims (and Hindus), with everyone giving the British their “best shot.” Nannies killed the kids, cooks poisoned the food, and shop owners murdered the British ladies as they came into the shop. And soldiers (sometimes complete units) killed their British officers and then used their weapons to attack the British."
Read the rest at the link.