https://www.retromc.org/index.html
RetroMC - Minecraft Beta Server
RetroMC is a long-running Minecraft Beta server (Beta 1.7.3) running since 2014. Vanilla-style PvE with custom features, nostalgia, and an active community....
minecraft betaserver
https://discord.com/invite/yseXvPacAu
RetroMC Beta Minecraft
Discord Community for the RetroMC Minecraft Beta 1.7.3 Server | 3355 members
betaminecraft
https://wiki.retromc.org/Main_Page
RetroMC