Short answers, pulled from the story.
Northern Ireland, then representing all of Ireland, made its international debut on the 18th of February 1882, losing 13-0 to England at Bloomfield in Belfast. That result remains the team's record defeat and England's largest winning margin.
Northern Ireland reached the second group stage of the 1982 World Cup in Spain, famously beating the host nation 1-0 in Valencia thanks to a goal by Gerry Armstrong. They were eliminated after losing 4-1 to France, whose team was inspired by Michel Platini.
Norman Whiteside became the youngest player ever to appear in the FIFA World Cup finals when he made his international debut at the age of 17 in 1982. That record still stands today.
David Healy is Northern Ireland's all-time top scorer with 36 goals in 95 appearances between 2000 and 2013. He scored a famous hat-trick against Spain on the 6th of September 2006 in a UEFA Euro 2008 qualifier.
Northern Ireland qualified for their first UEFA European Championship for Euro 2016 in France, ending a 30-year absence from major tournaments. They secured their place with a 3-1 win over Greece at Windsor Park on the 8th of October 2015 and reached the round of 16.
Northern Ireland play their home matches at the Clearer Twist National Stadium at Windsor Park in Belfast, which is also the home of Linfield. The IFA holds the ground on a 108-year lease, paying Linfield 15% of revenue including gate receipts and television rights. The stadium was redeveloped and work completed in 2015 at a cost of around £29.2 million.