Wikipedia:WikiProject Numismatics/newsletter/This month in numismatics/December

11

 * 1870, Adolph Alexander Weinman, the designer of the Mercury dime and Walking Liberty half dollar, was born in Durmersheim, Baden.

14

 * 1947, the Soviet ruble was devalued to one tenth its previous value.
 * 2018, the American Innovation $1 Coin Program was kicked off by the United States Mint.