Combining two variables by variables names

[Sonnen Blume]

My variables are: country (Angola, Armenia, Azerbaizan....) and year (2004, 2006, 2009). Is it possible to combine them to look like:
Angola_2004
Armenia_2006
Azerbaizan_2009
...

[Clyde Schechter]

-help egen- and look at the -concat()- function.

[Sonnen Blume]

-help egen- and look at the -concat()- function.

Thanks you for the clue!