Metrication in the United Kingdom that reported in 1818, and again in Parliament by Sir John Wrottesley in 1824. Another Royal Commission was set up 1838 by Chancellor of the Exchequer Thomas Spring Rice and it reported in 1841 that decimal coinage was required first. A third commission in 1853 advocated decimal coinage in the form £1 : 10 florins : 100 cents: 1000 mils. The first florins (one tenth of a pound sterling) were struck in 1849 as silver coins weighing and having a diameter of . An early supporter of the "Decimal Association" was the mathematician Augustus de Morgan whose articles supporting the
Japanese government-issued currency in the Dutch East Indies that, as of 11 March 1942, the only valid currency in the region were military banknotes and existing colonial gulden. Soon, however, they had begun replacing the pre-war currency at par. They soon required that all extant Dutch currency be exchanged for the occupation issue. This policy, however, was not implemented very strictly, and pre-war currency was widely hoarded, even in the internment camps. In March 1943, the Japanese occupation government ceased issuing military notes; at the time, military currency to the value of 353 million gulden was in circulation. Printing operations were moved to Kolff in Batavia (now Jakarta),