Catholicism first came to the territories now forming the United States just before the Protestant Reformation (1517) with the Spanish conquistadors and settlers in present-day Florida (1513) and the southwest.The first Christian worship service held in the current United States was a Catholic Mass celebrated in Pensacola, Florida (St. Michael records).

For the majority of Christian denominations, the Holy Spirit, or Holy Ghost, is believed to be the third person of the Trinity, a Triune God manifested as God the Father, God the Son, and God the Holy Spirit, each entity itself being God. Nontrinitarian Christians, who reject the doctrine of the Trinity, differ significantly from mainstream Christianity in their beliefs about the Holy Spirit.

Pietism (/ ˈ p aɪ. ɪ t ɪ z əm /), also known as Pietistic Lutheranism, is a movement within Lutheranism that combines its emphasis on biblical doctrine with an emphasis on individual piety and living a vigorous Christian life. It is also related to its non-Lutheran (but largely Lutheran-descended) Radical Pietism offshoot that either diversified or spread into various …

The mainline Protestant churches (also called mainstream Protestant and sometimes oldline Protestant) are a group of Protestant denominations in the United States that contrast in history and practice with evangelical, fundamentalist, and charismatic Protestant denominations. Some make a distinction between "mainline" and "oldline", with the former referring only to …

The Latin Church (Latin: Ecclesia Latina) is the largest particular church within the Catholic Church, whose members constitute the vast majority of the 1.3 billion Christians in communion with the Pope in Rome. The Latin Church is one of 24 churches sui iuris in communion with the pope; the other 23 are referred to as the Eastern Catholic Churches, and have approximately …

The liturgical year, also called the church year, Christian year or kalendar, consists of the cycle of liturgical seasons in Christian churches that determines when feast days, including celebrations of saints, are to be observed, and which portions of Scripture are to be read either in an annual cycle or in a cycle of several years.. Distinct liturgical colours may be used in connection with ...

Evangelicalism (/ ˌ iː v æ n ˈ dʒ ɛ l ɪ k əl ɪ z əm, ˌ ɛ v æ n-,-ə n-/), also called evangelical Christianity or evangelical Protestantism, is a worldwide interdenominational movement within Protestant Christianity that affirms the centrality of being "born again", in which an individual experiences personal conversion, the authority of the Bible as God's revelation to humanity ...

Protestant Reformers were those theologians whose careers, works and actions brought about the Protestant Reformation of the 16th century.. In the context of the Reformation, Martin Luther was the first reformer (sharing his views publicly in 1517), followed by people like Andreas Karlstadt and Philip Melanchthon at Wittenberg, who promptly joined the new movement.

The first Protestant church in Korea was established by Seo Sang-ryun and the first Protestant missionary to enter Korea was Horace Newton Allen, both events occurring in 1884. Horace Allen was a North Presbyterian missionary who became an American diplomat. He served in Korea until 1905, by which time he had been joined by many others.

The Quinquarticular Controversy is a term used to refer to the purely theological Calvinist–Arminian clashes of the period 1609 to 1618, a time in which the debate had serious political overtones in the Netherlands. This controversy is the one that was addressed by the Dutch Reformed churches at the Synod of Dort in 1618–1619, a meeting to which Protestant …