Prior to its uniform adoption of proportional representation
in 1999, the United Kingdom
for the European elections
. The European Parliament constituencies
used under that system were smaller than the later regional constituencies and only had one Member of the European Parliament
The constituency of Cheshire West and Wirral was one of them.
When it was created in England in 1994, it consisted of the Westminster Parliament constituencies of Birkenhead, City of Chester, Crewe and Nantwich, Eddisbury, Ellesmere Port and Neston, Wallasey, Wirral South, Wirral West, although this may not have been true for the whole of its existence.