17 October 1936 – Ireland 5 Germany 2
28,000 fans packed into Dalymount Park to witness a historic victory by the boys in green. Not only was the match memorable because it was the first Irish victory over the Germans but it was played during the height of Nazi Propaganda. 
17 October 1951 - Ireland 3 West Germany 2
In a historic game, Ireland ran out the victors in what was West Germany's first away game since the end of World War II. After an own goal from Josef Posipal, Arthur Fitzsimons and Dessie Glynn added a second and third goal to ensure victory. A year later Ireland traveled to Cologne for another friendly but were beaten 3-0. You can check out the footage below.
4 May 1952 - Ireland 0 Germany 3
25 November 1956 - Ireland 3 West Germany 0
Another memorable international match in Dalymount Park. Ireland annihilated West Germany, who were at the time the holders of the World Cup. A lionhearted performance by the Irish secured them the victory and showed that they would not be intimidated by the reputation of the elite of World football. Three second half goals earned the win for Ireland. Noel Cantwell scored a penalty just after the hour mark while Joe Haverty and Jimmy McCann found the net in the dying moments to seal the win. It was a very special way for McCann to make his debut.
18 September 1991 – Cork city 1 Bayern Munich 1
Cork City almost shocked the world when they came up against German giants Bayern Munich in the UEFA Cup Round of 64. A valiant performance by the Munster men saw them hold the Bundelsiga runners-up to a 1-1 draw in Musgrave Park. Dave Barry gave Cork a surprise early lead before Stefan Effenberg brought the game level just 20 minutes later. Bayern eventually progressed to the next round by winning 2-0 in the return leg in Bavaria.
https://www.youtube.com/watch?v=ROhbjeSYX-A
29 May 1994 – Germany 0 Ireland 2
5 June 2002 - Ireland 1 Germany 1
13 October 2007 – Ireland 0 Germany 0
12 October 2012 - Ireland 1 Germany 6
