When I listen to the radio, I consider oldies those songs from the 1960s. Others might consider songs from the 1990s oldies. In geocaching, I consider caches hidden before about 2005 as oldies. I restarted geocaching in 2015, so those caches hidden in 2005 and sooner were at least 10 years. A week or so …
Geocaching with Capt. TailWagger 