information about the history of the building — such as the date of construction, original use and historical development, special architectural features, and any people or events associated with it.
gwybodaeth am hanes yr adeilad — megis y dyddiad adeiladu, defnydd gwreiddiol a datblygiad hanesyddol, nodweddion pensaernïol arbennig, ac unrhyw bobl neu ddigwyddiadau sy’n gysylltiedig ag ef.