- Liga Utama Inggris
- Piala Irlandia Utara
- Liga Utama Irlandia Utara
- Perjanjian Britania Raya–Irlandia
- 23 April
- Linfield F.C.
- Seán T. O'Kelly
- Arya
- 6 Maret
- Dwight D. Eisenhower
- 1921–22 Irish League
- 1921–22 League of Ireland
- 1921 Irish elections
- Irish War of Independence
- Irish Republican Army (1919–1922)
- Northern Ireland Football League
- League of Ireland
- Anglo-Irish Treaty
- 1921 in Ireland
- 1921–22 in Scottish football
