The Nobel Committee declined to award the Nobel Peace Prize in 1948 because "there was no suitable living candidate." This was meant as tribute to Mahatma Gandhi, who was assassinated earlier that year without receiving the Prize.
Dr. Seuss wrote Green Eggs and Ham as part of a bet.
Saint Patrick's Day began as a "feast day". To honor him, Christians could put aside their Lenten restrictions on food and alcohol consumption, which is why excessive drinking has become linked to the celebration.
T-shirts were originally made for unmarried men who didn't know how to sew buttons on collared shirts.