There is a post about Horde player seeing Alliance player for the first time on Stonespine-EU (99% Horde realm). We're out there, just not world PvPing. : r/classicwow
I just transferred from a low population realm to a full population realm. This was amazing to me. : r/wow
World of Warcraft - Wikipedia
WoW realm status - EU WoW servers population
Blizzard on the State of Burning Crusade Classic Server Population - Wowhead News
Classic Era - EU got a Chinese Patch? - Technical Support - World of Warcraft Forums