Those English speaking Britains call it Christmas.
Most people eat turkey or ham at Christmas (; Tastes really good, too. The same as Americans
English is the main language in Ireland, so people in Ireland just say "Christmas". In the Irish language the word for Christmas is "Nollaig", pronounced "Nullig".
Usually a star or an angel.
Christmas.
The same date as everybody else the 25th December
"Christmas" in English means Natale in Italian.
"Merry Christmas!" in Italian is "Buon Natale!"
Most people in Ireland speak English so they would say Merry Christmas or commonly Happy Christmas. If they are using the Irish language, they will say "Nollaig shona duit" which is pronounced "Nullig huna dit".
Christmas Birthdays Easter Halloween Thanksgiving and other special eccasions
It is called eggnog.
If you mean carolers as in people that sing carols at Christmas, I'd suggest mulled wine or eggnog. Both are typical drinks served in England around Christmas.