This destabilized the atmosphere and the Earth to a point where Alien Power Core eruptions occured and caused volcanic eruptions, forest fires, tsunamis and other such things to occur in the Month of March in 1923. It centers on abandoned alien weapons being found by humans in the 1890s and 1900s and humanity using them against eachother in warfare. HOI: Ash is an alternative history mod with even more creative license than usual.