On July 21, 2005 China revalued its decade-long quasi-fixed exchange rate of approximately 8.28 yuan per U.S. dollar by 2.1% to 8.11% and, at the same time, introduced a more market-based exchange rate system. Many analysts and economists were disappointed with what they considered too small a change and called for more flexibility in the U.S. dollar-yuan exchange rate. Provides a timeline of further changes relevant to the Chinese renminbi.