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When did Britain last change its currency system?

When did Britain last change its currency system?
15 February 1971
Decimal Day, when the pound went from 240 pence to 100

Before that a pound was twenty shillings and a shilling twelve pence, so a pound was 240 pence — a system with the practical advantage of dividing evenly by two, three, four, six, eight and twelve, and the practical disadvantage of requiring everyone to do it. Banks closed for four days to convert. The old sixpence remained legal tender as two and a half new pence until 1980.

What
Decimal Day, when the pound went from 240 pence to 100
When
15 February 1971
Category
Countries and borders
Could this change?
Not in any foreseeable way. The event is closed.

Countries and borders

Question When
When did a country last join the United Nations? 14 July 2011
When was the US Constitution last amended? 7 May 1992
When did the US flag last change? 4 July 1960
When was a US state last admitted? 21 August 1959
When did a European country last change calendar? 1923
When did the size of the US Supreme Court last change? 1869
When did the Union Jack last change? 1 January 1801

This page gives a date and never a "years ago". These pages are built as static files, so a computed interval would freeze at build time and quietly become wrong — which on a reference site is worse than making the reader do the subtraction.

Common questions

When did Britain last change its currency system?
15 February 1971 — Decimal Day, when the pound went from 240 pence to 100.
What happened?
Before that a pound was twenty shillings and a shilling twelve pence, so a pound was 240 pence — a system with the practical advantage of dividing evenly by two, three, four, six, eight and twelve, and the practical disadvantage of requiring everyone to do it. Banks closed for four days to convert. The old sixpence remained legal tender as two and a half new pence until 1980.

Related pages

Sources

  1. Wikidata — Wikimedia Foundation (CC0 1.0)

How these figures are compiled and checked