1. The Emerald Isle. One of the informal names of Ireland – the Emerald Island, that's because of Ireland has a lot of lush greenery. Even Johnny Cash wrote his famous song about The Emerald Island called "40 shades of Green".
2. The national dance is Step dancing. Irish dance is special because the feet ad legs generally move very quickly but the arms and body almost do not move at all.
3. A fun fact: Prior to June 2010, each donor in Ireland after giving blood has gotten free pint of Guinness. Later, however, the company refuses to promote alcohol as a drug.