British Army Captain Thomas Preston was tried and acquitted for his part in which 1770 slaughter?

Britain's most popular silent film star shared her last name with a 1917 declaration. Who was she? 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? Which British novelist, author of "Mrs Dalloway", was a central figure in the Bloomsbury Group? In 1803, English chemist Smithson Tennant discovered osmium and which other element? British commander Sir Edward Pakenham was killed in which battle, fought two weeks after the War of 1812 officially end… Which highest British military decoration for valor is named after a former queen?