Chiang Mai has already correctly explained it in the first post, the market anticipated an interest rate cut because inflation was easing. That was the main reason for the dollar falling. If the dollar falls other currencies gain in value normally.
Then there were a few other, less important, reasons, the BoJ intervention which strengthened the Yen leading to many long UJ traders unwidin their big positions, and therefore causing the USD to decline further, the crazy Israelis precipitating a regional war in the middle east and slightly unexpected US economic markers. There were a few others no doubt as well.
As Lacessit said, currencies fluctuate, all perfectly normal.