Background: It was granted its Royal Charter in 1837 under King William IV. Supplemental Charters of 1887, 1909 and 1925 were replaced by a single Charter in 1971, and there have been minor amendments since then.
Question: Who was responsible for giving the charter to the Royal Institute?
Answer:<extra_id_0>.
<extra_id_0> King William IV<extra_id_1>