At his 1969 investiture as Prince of Wales at Caernarfon Castle, Prince Charles spoke in which two languages?

At her husband James's 1813 inaugural ball, which first lady served ice cream? At her trial before her July 17, 1793 execution, which Girondist sympathizer said "I killed one man to save a hundred t… At her 1999 royal wedding, Sophie Rhys-Jones wore pearl jewelry designed by which prince, her bridegroom? At his 1969 inauguration, which president said "The greatest honor history can bestow is the title of peacemaker"? The birthplace museum at 224 South 2nd Street in Winterset, Iowa, displays the eye patch which actor wore in 1969's "Tr… At his death in 1715, which French king had reigned 72 years, longer than any other monarch of a major European state? At his death in 1727, which scientist left behind more than a million words he had written on alchemy and the occult? At his death in 1790, which Founding Father left 200-year trust funds to the cities of Boston and Philadelphia?