Until the Act of Union of 1801 joining the Kingdom of Ireland to Great Britain ( to form the United Kingdom of Great Britain and Ireland ) , Ireland also had its own Parliament .
Head entity: kingdom of ireland Q215530 9 10 11
Tail entity: united kingdom of great britain and ireland Q174193 19 20 21 22 23 24 25
Relation (head \u2192 tail): P156
Inverse relation (tail \u2192 head): P155