of Christendom (or more specifically Latin Christendom as established or defended throughout the medieval and early modern history of Europe, especially against Islam, as in the Reconquista and the Ottoman wars in Europe. The Renaissance and the New Monarchs marked the start of an Age of Discovery, a period of exploration, invention, and scientific development. "Two years later, New Orleans coffeehouse is back in business". In McKitterick, Rosamund, The New Cambridge Medieval History:. 63 Academics edit Programs edit Allegheny College's majors and minors fall into three spheres, under which each major is coded. 113 The average salaries of professors (in 2007) was 83K, associate professors was 63K, assistant professors was 51K, instructors was 38K. In the north, the taiga is a mixed spruce pine birch forest; further north within Russia and extreme northern Scandinavia, the taiga gives way to tundra as the Arctic is approached.