When did the first planes fly in a military offensive for Britain, for an organised body which later became the Royal Air Force?
What 1850 agreement between the USA and Britain resulted eventually in the British Mosquito (or Miskito) Coast protectorate becoming part of Nicaragua?
What was the name of the uprising in Rhode Island that attempted to extend voting rights because, by 1829, only landowners could vote, and thus 60% of the state's free white men could not (as well as non-whites and women)?