You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
A question is presented to you in this task, and your job is to write a potentially correct answer.

where did france surrender ww2?
Solution: Mediterranean Sea
Why? This is a good example and the output correctly answers the question.

New input: when countries joined the european union?
Solution:
1/1/1995