Misc: In 1986 USSR releases US journalist Nicholas ---------- confined on spy charges. ?

Questions

In 1715 Claude ---------- born, French philosopher. ?

In 1788 First settlement established by the ---------- in Australia. AUSTRALIA DAY ! ?

In 1841 ---------- was proclaimed a sovereign territory of Britain. ?

In 1880 Gen. Douglas ---------- born, he did return! ?

In 1905 The ---------- diamond, the world's largest, is found. ?