The currency has lost about 40 percent of its value against major currencies since 1985.
Over the past year its value against most European currencies has fallen by 20 percent or more.
The dollar also fell against other currencies but not nearly as much.
By the end of the day, the dollar was slightly lower against most major currencies.
Against other currencies, particularly the German mark, the dollar moved lower.
The rise of the dollar against foreign currencies also helped.
One was to encourage the fall of the dollar against other currencies.
The new trade data lifted the value of the dollar against major currencies.
Since then, the dollar has declined by about 40 percent against other major currencies.
Yesterday, the dollar again fell against other major foreign currencies.