June 4 marks the 1989 Chinese government crackdown on peaceful protesters in Tiananmen Square, with tanks entering the square and soldiers, who opened fire on citizens outside the square, estimated to have killed thousands.
It also marks Tonga’s Emancipation [or Independence] Day, commemorating the abolition of serfdom in Tonga by King George Tupou in 1862, and the independence of Tonga from the British protectorate in 1970.