What date was Thanksgiving in 1988?

In 1988, Thanksgiving occurred on November 24th. Thanksgiving always occurs in the fourth Thursday of November in the United States.

The website timeanddate.com is a great source for finding out when a certain date falls - past, present, and future. Use their "Calendar" feature on the main menu bar and select the year 1988. Scroll down to the bottom to see that Thanksgiving occurred on Nov. 24.