Back then the potato crop was wiped out by potato blight (Phytophthora infestans). This fungus triggered what is sometimes called the Great Famine and led to the death of 750,000 people.
Toreiz visu kartupeļu ražu iznīcināja kartupeļu lakstu puve (Phytophthora infestans) un izcēlās milzīgs bads, kurā nomira 750 000 cilvēku.