Events relating to religion
Pope Pius IX issues a papal bull declaring that the Immaculate Conception of the Virgin Mary is to be an article of faith for Catholics
The Christian Socialism of F.D. Maurice and others is mocked by its opponents as 'muscular Christianity'
David Livingstone urges upon a Cambridge audience the high ideal of taking 'commerce and Christianity' into Africa
The Treaty of Tientsin, ending the Second Opium War, gives European powers new rights to intervene in Chinese affairs
Lionel Nathan Rothschild becomes the first Jew to sit in Britain's House of Commons, taking his oath on the Old Testament
The Seventh-day Adventists become an organized church, with a first General Conference in Battle Creek, Michigan
Pope Pius IX includes socialism, civil marriage and secular education among eighty modern errors listed in his Syllabus
Recovery from serious injury convinces Mary Baker Eddy that sickness and health are spiritually based, and provides her with the impulse to found Christian Science
British prime minister William Gladstone introduces a bill to disestablish the Anglican church in Ireland

Pope Pius IX, rapidly losing temporal authority, declares a new dogma – that the pope, when speaking from the throne, is infallible on matters of faith or morals
The Turkish sultan finally allows the Christians of Bulgaria to have their own Orthodox patriarch
US shoe salesman and YMCA member Dwight L. Moody launches into a new career as a revivalist preacher
Madame Blavatsky founds in New York the Theosophical Society, preaching universal brotherhood with a strong dash of mysticism
Mary Baker Eddy expounds her beliefs in Science and Health with Key to the Scriptures, later considered the textbook of Christian Science
Mary Baker Eddy and others found the first Church of Christ, Scientist, in Lynn, Massachusetts
The first pogroms, or officially sanctioned attacks on Jews and their property, take place in Russia
The first settlements of European Jews, returning to the promised land, are established in Palestine
An American Indian visionary, Wovoka, launches a new religion that will bring the dead back to life, calling it the Ghost Dance
Scottish anthropologist James Frazer publishes The Golden Bough, a massive compilation of contemporary knowledge about ritual and religious custom
Utah is admitted to the union as the 45th state, after the Mormons agree to give up polygamy
Theodor Herzl publishes The Jewish State, calling for a national homeland for all Jews
The first Zionist Congress is held in Basel with Theodor Herzl in the chair
Giuseppe Sarto is elected pope and takes the name Pius X
The All-India Muslim League is set up at a meeting of the Muhammadan Educational Conference in Dhaka
Gideons International place their first bible in a hotel bedroom, in Montana, USA