Sixpences were originally supposed to be demonetized upon decimalisation in 1971.
From the en.wikipedia.org
Decimalisation of both currencies occurred simultaneously on Decimal Day in 1971.
From the en.wikipedia.org
This is a re-run, albeit on a smaller scale, of the decimalisation carve up.
From the independent.co.uk
Decimalisation of the clock has been tried before, but clumsily and for bad reasons.
From the economist.com
In the years since decimalisation a number of changes have been made to the coinage.
From the en.wikipedia.org
Decimalisation will ease the problems of jet lag by cutting the number of time zones.
From the economist.com
It was as a result of the growing interest in decimalisation that the florin was issued.
From the en.wikipedia.org
In the run-up to decimalisation, the halfpenny and half-crown were demonetised in 1969.
From the en.wikipedia.org
Decimalisation was overseen by the Irish Decimal Currency Board, created on 12 June 1968.
From the en.wikipedia.org
More examples
Decimalization: the act of changing to a decimal system; "the decimalization of British currency"
Decimal currency is the term used to describe any currency that is based on one basic unit of currency and a sub-unit which is a power of 10, most commonly 100.
Great Britain was decimalised in 1971. In other words switched to currency ordered in multiples of ten. See how it used to be when Great Britain and Northern Ireland was predecimal.