Medr was established as a legal entity on 15 December 2022 and became operational of 1 August 2024, with HEFCW also being dissolved on that date.
Sefydlwyd Medr fel endid cyfreithiol ar 15 Rhagfyr 2022 ac roedd yn weithredol o 1 Awst 2024, sef y dyddiad pan ddiddymwyd CCAUC. .