<prompt> Translate the following text to EnglishTangu kuanzishwa kwa Royal Institute katika miaka ya 1830, Jumba la sanaa la Taifa lilipata faida kutoka kwa urithi kadhaa, hasa ule wa Duke wa Sutherland mnamo 1946.  <response>: Initially known as the Royal Institute in the 1830s, the National Gallery benefited from a number of bequests, not least that of the Duke of Sutherland in 1946. 