Misc: In 1907 what did the British government say it would never give up?

Questions

who created the 'purple heart' decoration in 1782?

what did president lincoln proclaim a national holiday in 1863?

thanksgiving was proclaimed a national holiday in 1863, 1868 or 1892?

what did the 1st u.s federal legislation in 1909 prohibit?

narcotics were prohibited in the u.s in 1905, 1909 or 1914?