EU:
Dear players, World of Tanks EU servers will be down on 12 October from 2:30 to 8:30 CEST (UTC +2) due to the Update 1.18.1 release.
The clan portal will be unavailable from 02:30 to 08:30 CEST (UTC +2) due to technical maintenance.
NA:
Dear players, World of Tanks NA servers will be down on 11 October from 12:30 AM PT | 2:30 AM CT | 3:30 AM ET to 7:00 AM PT | 9:00 AM CT | 10:00 AM ET due to the Update 1.18.1 release.
The game and clan portal will be unavailable during the maintenance period.