Towards the end of the century, Brazil saw several large revolts in its navy - a force still heavily dominated, amongst the other ranks at least, by black sailors. In 1893, the "Revolta da Armada" occurred in Rio de Janeiro, focused on the federal government - it lasted seven months before being ultimately suppressed. In 1910, Chibata Revolt occurred, during which more than 2,000 sailors rebelled against the use of physical punishments for military offences, in particular the use of the "chibata", a type of whip associated with the slave trade. The mutineers, mostly black, threatened to destroy the city unless their demands were met. An amnesty was declared and the use of the whip brought to an end, but after the mutineers had stood down, the Government rescinded the amnesty and imposed harsh punishments.