This book looks at some of the defining events of history-the disasters, cataclysms and inspirations that helped shape the world and its various societies. The stories cover all scales of existence, ranging from the cataclysmic to the comparatively minor.From its very beginnings an endless string of adversities has threatened life on Earth, occasionally pushing it to the verge of total oblivion. It's suspected that a massive meteorite impact with our planet some 65 million years ago may have ended the reign of the dinosaurs and wiped out up to 75 per cent of all species. But life clawed its way back to recolonise the Earth and led eventually to the beginnings of the human race.