In what century was the Irish potato famine?

the 19th century - 1845-1850

http://www.historyplace.com/worldhistory/famine/

1842

the Irish potato finished because the mold had stoped growing

from: http://en.wikipedia.org/wiki/Great_Famine_(Ireland) The Great Famine (Irish: An Gorta Mór lit: The Great Hunger[1] or An Drochshaol, lit: The Bad Life) was a period of starvation, disease and...