Former communist nations began to join the european union in

in .   1958     hope this

1958

The process of expanding the european union (eu)  through the accession of new member states began with the inner six, who founded the european economic community in 1958.

Do you have more info about it ? i doubt this is the answer because i don't have all the information but if trouble was brewing in a clinic maybe it was an argument as to which clinic was better or smth of that nature