History
Story & background of the company
How an organization got here shapes how it behaves, and teams that do not know the history keep re-litigating decisions that were already made.
Company history is not nostalgia. It is context. Knowing why a process exists, why a product was built a certain way, or why a partnership formed helps people make better decisions now without starting from scratch every time.
The most valuable history is rarely in official announcements. It is in the stories: the pivot that saved the company, the customer who shaped the product, the failure that changed how the team operates. Those stories carry tacit knowledge that is hard to transfer any other way.
History does not need to be a comprehensive archive. A timeline of key moments, a set of founding stories, and a record of major decisions with the reasoning behind them will serve most organizations far better than a detailed chronicle nobody reads.