the Famine was from 1845 to 1850 - the worst year was 1847
1846.
there waz a potato famine in Ireland
Ireland's Famine was caused mainly by Blight and a sudden increase in Population
The famine, which was caused by potato reducing Ireland's population by millions through death from starvation and emigration.
The potato famine, which started in the mid 1840s until the early 1850s.
They famine caused many people to emigrate to the USA, but that was mainly in the 1840s and far less than 15 million. The entire population of Ireland prior to the famine was only about 8 million, many of whom died or emigrated to countries other than the USA or survived and stayed in Ireland.
Poverty, hunger, lack of employment, discrimination, oppression etc. would be reasons for people to emigrate from any country. This applies to Ireland too.
The potato.
When the famine began in 1845, many people began to emigrate from Ireland, many of those going to America. There would have been some emigration to America before that, but the famine increased the numbers going.
(Apex) Millions of people fleeing Ireland for the Americas.
during the famine they did because they had no food and in the 1950's after ww2 unemployment so they emmigrated to usa and UK
there was a potato famine that lasted several years killing millions