UK History: Chapter 1, Exercise 1 — Possible Solution
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THE THREE ENTITIES
1707: Kingdom of Great Britain (England, including Wales, and Scotland).
1801: United Kingdom of Great Britain and Ireland.
1927: United Kingdom of Great Britain and Northern Ireland.

WHAT CHANGED
1707 to 1801: Ireland was added, through the Acts of Union 1800.
1801 to 1927: the Irish Free State left (1922 to 1927), and the remaining
state was officially renamed in 1927.

CAUTION
The chapter's dates come from one reference article, and it gives the
changes in outline only.