Christianity in the 20th century The Evangelical push of the 1940s and 1950s produced a movement that continues to have wide influence. In the southern United States, the Evangelicals, represented by leaders such as Billy Graham, have experienced a notable surge. Australia has seen renewal in different parts of her Anglican Church, as well as a growing presence of an Evangelical community. Although more "traditional" in its Anglican roots, the nation has seen growth in its religious sector. The Third Great Awakening had its roots in the Holiness movement which had developed in the late 19th century. The Pentecostal revival movement began out of a
20th century in science 20th century in science Science advanced dramatically during the 20th century. There were new and radical developments in the physical, life and human sciences, building on the progress made in the 19th century. In physics, the development of post-Newtonian theories such as special relativity, general relativity, and quantum mechanics led to the development of nuclear weapons. New models of the structure of the atom led to developments in theories of chemistry and the development of new materials such as nylon and plastics. Advances in biology led to large increases in food production, as well as the elimination of diseases such