Try watching this thread and unwatching it through that link I provided. I just tested it and no issues but that is only one of several possible ways to unwatch a thread.
The new forum software came April of 2000. I set my join date to the start date of the site for posterity. I can check and see if thread #1 still exists but in reality the first real thread was on another software. I might have those messages backed up somewhere so but I would have to look.
10+ years, 100+ replies, active within the past week:
https://tractorbynet.com/forums/threads/todays-seat-time.118658/
https://tractorbynet.com/forums/threads/good-morning.223701/
https://tractorbynet.com/forums/threads/tractors-and-wood-show-your-pics.303328/...