It repealed prohibition, Amendment XVIII
The 21st Amendment (XXI) in 1933 repealed Prohibition, which had been previously instituted by the 18th Amendment (XVIII), ratified in 1919.
XXI = 21
one
XXI is the same thing as 21.
Freak XXI was created in 1998.
Hespèrion XXI was created in 1974.
Converxencia XXI was created in 2009.
XXI is the Roman numeral for 21.
X is 10 and I is 1. XXI is 21.
The Roman numeral of XXI is equivalent to 21
x = 10 i = 1 xxi = 21