Malacca UMNO Museum () also known as Melaka UMNO Museum or more commonly UMNO Museum is a museum which exhibits historical matters about the founding, struggle and development of the oldest party in Malaysia â United Malays National Organisation (UMNO) in Malacca City, Malacca. It opens every day from 9.00 a.m. to 5.30 p.m., except Friday in which it closes from 12.45 p.m. until 2.45 p.m.