"Unsuccessful escape" . "1826-09-25" . "2 killed" . "13 convicts executed" . "5 executed" . . "Unsuccessful escape attempt" . "uprisings and mutinies" . . . "1,600" . "1826-12-21" . . "1834-01-15" . "1830-06-19" . "66 convicts" . "12 convicts executed" . . . "Rebellion crushed" . . "over 50" . "over 100" . . "Norfolk Island convict mutinies" . . . "1846-07-01" . "3 convicts hanged" . "Unsuccessful uprising" . "6 dead" . . . "convict uprising" . "British Army" . . . . "Norfolk Island convict mutinies" . "Convict insurgents" . "11 convicts" . "Mutiny successful though later captured" . "11 convicts drowned (presumed)" .