During the night on Wednesday, the common currency fell to 1.0634 dollars.
This is the lowest level since April 2017. The two-year low marked the day before was slightly undershot.
The European Central Bank (ECB) set the reference rate at $1.0674 on Tuesday afternoon.
Expectations of a much tighter monetary policy in the USA have been putting pressure on the euro for a long time.
This strengthens the US dollar against many currencies.
Added to this are the economic consequences of the Ukraine war, which many experts believe will affect Europe more than the United States.
This puts an additional burden on the euro.
Only a few economic data are expected for the middle of the week.
Indicators of consumer sentiment from Germany and France should be of interest.
Among the major central banks, ECB President Christine Lagarde and ECB Chief Economist Philip Lane want to speak.