Other than both speaking some sort of English Language, nothing.
No, Ireland had a President from 1937, but did not become a republic until 1949 It was technically a "Free State"- similar to Canada, Australia, etc
The Willie Wagtail is native to Australia. You will not find them in Ireland. However you will find birds known as Wagtails in Ireland, which are similar but unrelated to the Australian bird.
People would have gone from Ireland to Australia by ship.
The climate in Australia is vastly different from that in Ireland. Ireland is an island Australia is a continent. The majority of Australia's population is descended from immigrants that came here during the last 100 years.
The sun is more intense in the country of Australia. This is because Australia is closer to the equator than Ireland.
Yes it is. So lets say you were in Australia and you sent something to your niece in Ireland.
Australia and Ireland are on opposite sides of the globe, so no body of water connects them.
Ireland
Yes, Ireland had beaten Australia in Rugby before the 2011 World Cup win over them.
In 2011 Ireland bet Australia 15/7 it was very close but Ireland bet Australia not only that that won against Australia that won in the rugby world cup 2011 By Taeao 021653233/3774820 19a arran str New zealand
Celia Ireland was born on May 16, 1966, in Australia.
400 miles