National currencies will be completely replaced by the euro in within six months after the introduction of euro notes and coins.
Replacing national currencies with the Euro will come back to bite the participating countries. 
( z1 come :ARG1 ( z2 replace :ARG1 ( z3 currency :mod ( z4 nation ) ) :ARG2 ( z5 euro ) ) :direction ( z6 back ) :purpose ( z7 bite :ARG0 z2 :ARG1 ( z8 country :ARG0-of ( z9 participate ) ) ) )