June 1, 1997 — Wizards of the Coast purchased TSR and its intellectual properties in 1997.

About TSR, Inc.

TSR, Inc. was an American game publishing company most famous for publishing the Dungeons & Dragons role-playing game.

About Wizards of the Coast, Inc.

Wizards of the Coast, Inc. engages in the development and publishing of trading card games, tabletop role-playing games, novels, magazines, family card and board games, and electronic media products. It publishes hobby games, as well as owns specialty game retail store chains.