2) On May 4, 1886, a strike was held to condemn the long working hours (almost 15 hours), which they wanted to be reducted to eight hours a day. When an unidentified person threw a bomb in the crowd, police started firing that led to the death of eight people and injured nearly 60. The labour leaders were rounded up and four of them were executed by hanging. In 1889, a meeting in Paris was held and May Day was formally recognised as an annual event in 1891. (Photo | S Senbagapandiyan, EPS)