Recent drought conditions in Europe have revealed numerous archaeological finds, harkening back to hard times in the 17th century.
…hunger stones did more than simply document drought: They also lamented difficult conditions and let people know that trouble was afoot. One of the rocks, for instance, “expressed that drought had brought a bad harvest, lack of food, high prices and hunger for poor people,” according to a 2013 study of drought in Czech lands. A German inscription on the same rock reads: “When you see me, weep.”
Source: ‘Hunger Stones’ With Ominous Messages Emerge in Drought-Parched Czech River | Smart News | Smithsonian