The Republic of Ireland pulled off a dramatic win against world champions Germany in Dublin thanks to a 70th minute goal from Shane Long.
Group D is going down to the wire with Germany on 19 points and Poland and the Republic of Ireland on 18 each. They meet next.
Scotland are sadly out after drawing 2-2 with Poland after the Poles grabbed a last minute equaliser.
Remarkable scenes at Windsor Park Belfast as Northern Ireland are through to their first major tournament since 1986.
Northern Ireland have qualified for Euro 2016. Their first major tournament since World Cup 1986. Congratulations. pic.twitter.com/O8OugDlLHw— Squawka Football (@Squawka) October 8, 2015
The Northern Irish without four key players trounced Greece by 3 goals to 1.
In the rest of Group F Romania and Hungary are in a battle for second spot one point separates them Romania just in front.
Portugal will also appear in France in 2016 after the Portuguese secured qualification from Group I with a one nil against Denmark in Braga.
Joao Montinho scored the winner on 66 minutes.
In the night’s other match in group I Albania lost 2 nil to Serbia.