The Forbidden Fountain of Oz food, which occurs most famously in the "forbidden fruit" of the Tree of Knowledge of Good and Evil in the Book of Genesis, but in other contexts too. The idea of water that purges the drinker's memory is also ancient. In Greek mythology it occurs as the river Lethe: the souls of the dead lose their memories of their earthly lives by drinking its water. The same idea can also be found in Eastern and other literatures, as in the "Well of the Waters of Forgetfulness" and other guises. "The 'Drink of Forgetfulness' is found in Greek, Hindu, Norse, and
Veneration of the dead are put on graves year-round as a way to honor the dead. In the United States, many people honor deceased loved ones who were in the military on Decoration Day also known as Memorial Day. Times like Easter, Christmas, Candlemas, and All Souls' Day are also special days in which the relatives and friends of the deceased gather to honor them with flowers and candles. In the Catholic Church, one's local parish church often offers prayers for the dead on their death anniversary or on special days like All Souls' Day. Another important holiday in the United States, Memorial Day,