1. World's deadliest rollercoaster accident saw 5 kids crushed to death at UK theme park

    By Mizy Judah Clifton London's Battersea Park was heaving with visitors on the afternoon of Tuesday, May 30 1972. Its pièce de résistance was the Big Dipper, a wooden rollercoaster that had been operating since 1951 when it was first unveiled as part of the Festival of Britain – a