1800 To 1849
Main article: Christianity in the 19th century See also: Timeline of Christianity#19th century- 1800 - New York Missionary Society formed; Johann Janicke founds a school in Berlin to train young people for missionary service
- 1801 - John Theodosius van der Kemp moves to Graaff Reinet to minister to the Khoikhoi (Hottentots) people. Earlier he had helped found the Netherlands Missionary Society. In 1798, he had gone to South Africa to work as a missionary among the Xhosa.
- 1802 - Henry Martyn hears Charles Simeon speak of William Carey's work in India and resolves to become a missionary himself. He will sail for India in 1805
- 1803 - The Massachusetts Baptist Missionary Society votes to publish a missionary magazine. Now known as The American Baptist, the periodical is the oldest religious magazine in the U.S.
- 1804 - British and Foreign Bible Society formed; Church Missionary Society enters Sierra Leone
- 1805 - The first Christian missionaries arrive in Namibia, brothers Abraham and Christian Albrecht from the London Missionary Society
- 1806 - Haystack Prayer Meeting at Williams College; Andover Theological Seminary founded as a missionary training center; Protestant missionary work begins in earnest across southern Africname=kanep87>Kane, p. 87
- 1811 - English Wesleyans enter Sierra Leone
- 1812 - First American foreign missionaries, Adoniram Judson and Luther Rice, arrive in Serampore and Judson soon goes to Burma
- 1813 - The Methodists form the Wesleyan Missionary Society.
- 1814 - First recorded baptism of a Chinese convert, Cai Gao; American Baptist Foreign Mission Society formed; Netherlands Bible Society founded first missionaries arrive in New Zealand led by Samuel Marsden
- 1815 - American Board of Commissioners for Foreign Missions open work on Ceylon, modern-day Sri Lanka through American Ceylon Mission; Basel Missionary Society organized; Richmond African Missionary Society founded
- 1816 - Robert Moffat arrives in Africa; American Bible Society founded
- 1816 - Barnabas Shaw opens the first Wesleyan mission in South Africa: Liliefontein, in the Khamiesberg Mountains (Namaqualand), among the Khoisan peoples in the northern Cape Colony.
- 1817 - James Thompson, agent for British and Foreign Bible Society, begins distributing Bibles throughout Latin America
- 1818 - Missionary work begins in Madagascar with the reluctant approval of the king
- 1819 - John Scudder, Sr., missionary physician, joins the American Ceylon Mission; Wesleyan Methodists start work in Madras, India; Reginald Heber writes words to missionary classic "From Greenland's Icy Mountains"
- 1820 - Hiram Bingham goes to Hawaii (Sandwich Islands)
- 1821 - African-American Lott Carey, a Baptist missionary, sails with 28 colleagues from Norfolk, VA to Sierra Leone; Protestant Episcopal Church mission board established
- 1822 - African American Betsy Stockton is sent by the American Board of Missions to Hawaii. She thus becomes the first single woman missionary in the history of modern missions.
- 1823 - Scottish Missionary Society workers arrive in Bombay, India; Liang Fa, first Chinese Protestant evangelist, is ordained by Robert Morrison; Colonial and Continental Church Society formed
- 1824 - Berlin Mission Society formed
- 1825 - George Boardman goes to Burma
- 1826 - American Bible Society sends first shipment of Bibles to Mexico
- 1827 - Missionary Lancelot Edward Threlkeld reports in The Monitor that he was "advancing rapidly" in his efforts to disseminate Holy Scripture among Indigenous Australians of the Hunter and Shoalhaven Rivers.
- 1828 - Basel Mission begins work in the Christiansborg area of Accra, Ghana; Karl Gützlaff of the Netherlands Missionary Society lands in Bangkok, Thailand; Rhenish Missionary Society formed
- 1829 - George Müller, a native of Prussia, goes to England as a missionary to the Jews; Anthony Norris Groves, an Exeter dentist, sets off as a missionary to Baghdad accompanied by John Kitto
- 1830 - Church of Scotland missionary Alexander Duff arrives in Kolkata (formerly Calcutta); William Swan, missionary to Siberia, writes Letters on Missions, the first Protestant comprehensive treatment of the theory and practice of missions; Baptism of Taufa'ahau Tupou, King of Tonga, by a western missionary;arrival of John Williams of the London Missionary Society in Samoa, landing in Sapapali'i on Savai'i island
- 1831 - American Congregational missionaries arrive in Thailand, withdrawing in 1849 without a single convert; four Native Americans from beyond the Rocky Mountains come east to St. Louis, Missouri seeking information on the "palefaces' religion"
- 1832 - Teava, former cannibal and pioneer Pacific Islander missionary, is commissioned by John Williams to work on the Samoan island of Manono
- 1833 - Baptist work in Thailand begins with John Taylor Jones; the first American Methodist missionary, Melville Cox, goes to Liberia where he dies within four months. His dying appeal was: "Let a thousand fall before Africa be given up"; Free Will Baptist Foreign Missionary Society begins work in India
- 1834 - American Presbyterian Mission opens work in India in the Punjab; Peter Parker MD, associated with the American Board of Commissioners for Foreign Missions, first American Medical Missionary to China opens Ophthalmic Hospital at Canton
- 1835 - Rhenish Missionary Society begins work among the Dayaks on Borneo (Indonesia); Daniel Wilson, Bishop of Calcutta calls India's caste system "a cancer."
- 1836 - Plymouth Brethren begin work in Madras, India; George Müller begins his work with orphans in Bristol, England;Gossner Mission formed; Leipzig Mission Society established; Colonial Missionary Society formed; The Providence Missionary Baptist District Association is formed, one of at least six national organizations among African American Baptists whose sole objective was missionary work in Africa.
- 1837 - Evangelical Lutheran Church mission board established; First translation of Bible into Japanese (actual translation work done in Singapore)
- 1838 - Church of Scotland Mission of Inquiry to the Jews; four Scottish ministers including Robert Murray M'Cheyne and Andrew Bonar journey to Palestine; Augustinians enter Australia.
- 1839 - Entire Bible is published in language of Tahiti; three French missionaries martyred in Korea; English Protestant missionaries, including John Williams, murdered on Erromango (Vanuatu, South Pacific)
- 1840 - David Livingstone is in present-day Malawi (Africa) with the London Missionary Society; American Presbyterians enter Thailand and labor for 18 years before seeing their first Thai convert; Irish Presbyterian Missionary Society formed; Welsh Calvinistic Methodist Missionary Society founded
- 1841 - Edinburgh Medical Missionary Society formed; Welsh Methodists begin working among the Khasi people of India
- 1842 - Methodist Missionary, Thomas Birch Freeman arrives in Badagry, Nigeria;
- 1842 - Church Missionary Society enters Badagry, Lagos
- 1842 - Gossner Mission Society receives royal sanction; Norwegian Missionary Society formed in Stavanger
- 1842 - Christian Mission to the Jews (CMJ) establishes Christ Church, first Anglican church in the Old City of Jerusalem
- 1843 - Baptist John Taylor Jones translates New Testament into the Thai language; British Society for the Propagation of the Gospel among the Jews formed
- 1844 - German Ludwig Krapf begins work in Mombasa on the Kenya Coast; first Young Men's Christian Association (YMCA) formed by George Williams; George Smith and Thomas McClatchie sail for China as the first two CMS missionaries to that country
- 1844 Hans Paludan Smith Schreuder, missionary, arrives in Port Natal, South Africa
- 1845 - Southern Baptist Convention mission organization founded
- 1846 - The London Missionary Society establishes work on Niue, a South Pacific island which westerners had named the "savage island"
- 1847 - Presbyterian William Burns goes to China, translates The Pilgrim's Progress into Chinese; Moses White sails to China as a Methodist medical missionary
- 1847 John Christian Frederick Heyer, missionary, arrives in Andhra Pradesh, India
- 1848 - Charles Forman goes to Punjab; German missionaries Johannes Rebmann and Johann Ludwig Krapf arrive at Kilimanjaro. Initially, their story of a snow-covered peak near the equator was scoffed at.
- 1849 - Just weeks after arriving on the Melanesian island of Anatom, missionary John Geddie wrote in his journal: "In the darkness, degradation, pollution and misery that surrounds me, I will look forward in the vision of faith to the time when some of these poor islanders will unite in the triumphant song of ransomed souls, 'Unto Him that loved us, and washed us from our sins in His own blood.'"
Read more about this topic: Timeline Of Christian Missions