Time Period: 1899-

Timeline

• 09.01.1900
• Administrative ordinance on the ban of foreign coinage except gold and the demonetization of the Spanish and Latin American trade coins; effective immediately
• 20.09.1900
• Governor's (of German New Guinea) ordinance on the introduction of German accounting in the Caroline Islands, Palau and the Marianas; effective immediately:
  - British gold coins remained admitted at a rate: 1 British Pound = 20.30 German Reichsmark.
• 14.09.1906
• Proclamation of the German colonial monetary order of 01.02.1905 for New Guinea including Caroline Islands, Palau and the Marianas effective 01.10.1906:
  - British and US-american gold coins were admitted for payments at a rate: 1 British Pound = 20 German Reichsmark; 1 US Dollar = 4 German Reichsmark.
• ??.11.1914
• Start of Japanese occupation:
  - The Northern Marianas were integrated into the Japanese currency system
  - Details of the introduction of the Japanese Yen and the demonetization of the German currency are not known.
• ??.07.1944
• Start of US American occupation:
  - 23.07.1944: US Military Governor's proclamation [No. 4] on the introduction of the US Dollar on Saipan island; effective immediately
  - 15.08.1944: US Military Governor's proclamation [No. 6] on the introduction of the US Dollar on Tinian island; effective immediately:
  - Per person, cash up to 1'000 Japanese Yen was exchanged at a ratio of 1 : 20
  - Assets and excess cash amounts were frozen against receipts; the receipts were finally converted in 1956-1957 at the then official rate of 1 : 360.
• 09.01.1978
• Constitution of the Commonwealth of the Northern Mariana Islands (without explicit mention of monetary system); effective immediately
• ??.??.1986
• Start of issuance of collector coins denominated in "Dollar" but without legal tender status