The given co-ordinates take you to a memorial commemorating... (now that would be giving it away),
you'll have to go there and find out.
The inscription on the memorial and some nearby objects will provide the digits for the cache location.
Pencils out and thinking caps on...
The event ran from August A to AB (taking one from the other will give CD).
People came from EF parts of the world.
There were GHIJK scouts.
It all took part in LMNO.
A nearby bench is dated PQQR.
Another bench is in memory of Peter Spears STUV-WXYZ.
The cache is located at...
N52 GR.ATX W001 NL.NEV