Dundalk FC was founded in 1903 in Dundalk, County Louth, Ireland. \n2. Shelbourne FC, also known as "Shels," was founded in 1895 in Drumcondra, Dublin, Ireland. \n3. Dundalk FC has won the League of Ireland Premier Division title 14 times, making them one of the most successful clubs in Irish football history. \n4. Shelbourne FC has won the League of Ireland Premier Division title 13 times, establishing themselves as a competitive force in Irish football. \n5. The two teams have a long-standing rivalry known as the "Dundalk-Shelbourne rivalry," which has been contested since the early 20th century. \n6. The most recent meeting between Dundalk and Shelbourne took place on May 14, 2021, with Dundalk emerging as the victors with a 4-0 win.