I'm sure there is, but this won't even come close. Partly because there are multiple threads on the topic, and partly because the subject matter will be Overcome By Events soon to come. Whatever those might be.
The longest thread I know about has 13,725 posts, with an occasional post being added from time to time, even now, 5 years and 8 months after the first post. The subject, Logan, who weighed 1 lb. 8.3 oz when thread was started, is now a fine young man, and a future leader of the nation. The most recent post was less than a month ago, part of an update on the Young Master.
Here he was "then"
And here he was a month ago:
Obama just put the Little Man into at least tens of thousands of dollars of debt. Probably more.