the first Europeans came in 1497
Italians go to new york when they come to America so they can start lives and find work in factories
The Celts were the first community to arrive in Ireland
Chinese cuisine was first introduced to America in the beginning to mid 19th century when Chinese immigrants started to settle along the California coast.
It depends which country you are referring to.
Immigrants started to arrive in the 1840s mainly from Ireland. Then in the late 19th century Europeans arrived.
The first official settlers or "immigrants" to Australia arrive in Sydney Cove on 26 January 1788.
People first came to Ireland over 8000 years ago, so it is not recorded as to who was the first person to arrive.
Slaves
it arrived in America in 1619.
northwestern Europe
Andrew Jackson was the first president with roots in Ireland. Both of his parents were born in Northern Ireland which as you no doubt know, is not now a part of the Republic of Ireland but belongs to the UK.
The first colonists to arrive in South America were the Spanish conquistadors, in the 15th Century.