Britain's most popular silent film star shared her last name with a 1917 declaration. Who was she?

Britain's beloved Queen Mother, who died in 2002 at age 101, was the mother of which queen? Which TLC home makeover show, based on Britain's "Changing Rooms", gave its designers a $1,000 budget? Britain's first cat show, in 1871, included black, blue and white types of which long-haired breed? Britain's longest trial ended in 1997 with two activists found guilty of libeling which fast-food company? Which French author wrote the 1880 novel "Nana", part of his Rougon-Macquart cycle? Britannica says which author's 1852 novel helped harden both pro- and antislavery feeling? British Airways retired its fleet of which supersonic jet in 2003? British Army Captain Thomas Preston was tried and acquitted for his part in which 1770 slaughter?