What is associated with: between august 5 sept 6 1953 operation big switch was the final exchange of these?

What is associated with: between about 1325 1500 this group expanded from an island or two to control southern mexico? What is referred to by 'between alaska russia'? What is associated with: between april june of 1945 one of wwiis bloodiest campaigns was fought on this pacific island? What is associated with: between april 1909 march 1910 he killed 296 animals including 9 lions 8 elephants? What is associated with: between cameroon congo youll find this country independent from france since 1960? Based on the clue 'between chad the democratic republic of the congo...', what is the answer? What is referred to by 'between europe morocco'? What is associated with: between february 11 july 16 1858 the virgin mary made a reported 18 appearances at this site?