Background material for "Exchange Rate Arrangements into the 21st Century: Will the Anchor Currency Hold?" (with Ethan O. Ilzetzki and Carmen M. Reinhart)

• Monthly coarse classification, 1946:1–2007:12
• Monthly fine classification, 1946:1–2007:12
• Annual coarse classification, 1946–2007
• Annual fine classification, 1946–2007
• IMF official classification 1970–2007
• Updated country chronologies: 1946:1–2007:12 with additional countries added to Reinhart and Rogoff (2004)