Here is a timeline of selected moves in foreign exchange markets by the Bank of Japan (BOJ). Sept. 15, 2010 - Japan intervenes in the currency market for the first time in six years, selling yen to stem a rise in the currency after the dollar hits a 15-year-low at 82.87 yen. May-June, 2002 - The BOJ intervenes to sell yen, often supported by the U.S. Federal Reserve and European Central Bank (ECB). Sept 2001 - The BOJ intervenes to sell yen after the Sept. 11 attacks in the United States. The BOJ intervenes to buy dollars and sell yen.

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