In tiki tuesday today, Oda mentioned they're looking to activate WoE1 sometime near the end of October.
Treasures won't be activated for the first week so you will have a more level playing field (learning from woe2 implementation i guess

no word on:
HoA and investment: not sure if it'll be implemented with WoE1 or some time after
time for WoE1 either: did you guys already have a poll for this?
feel free to discuss