List of 1838 Major News Events in History, Most Important Historical Events in 1838
| Date | Event |
|---|---|
| January 6, 1838 | Alfred Vail and colleagues demonstrate a telegraph system using dots and dashes (this is the forerunner of Morse code). |
| February 17, 1838 | Weenen massacre: Hundreds of Voortrekkers along the Blaukraans River, Natal are killed by Zulus. |
| April 16, 1838 | The French Army captures Veracruz in the Pastry War. |
| April 30, 1838 | Nicaragua declares independence from the Central American Federation. |
| June 10, 1838 | Myall Creek massacre: Twenty-eight Aboriginal Australians are murdered. |
| June 28, 1838 | Coronation of Queen Victoria of the United Kingdom. |
| July 4, 1838 | The Iowa Territory is organized. |
| July 15, 1838 | Ralph Waldo Emerson delivers the Divinity School Address at Harvard Divinity School, discounting Biblical miracles and declaring Jesus a great man, but not God. The Protestant community reacts with outrage. |
| August 18, 1838 | The Wilkes Expedition, which would explore the Puget Sound and Antarctica, weighs anchor at Hampton Roads. |
| September 1, 1838 | Saint Andrew's Scots School, the oldest school of British origin in South America, is established. |
| September 3, 1838 | Future abolitionist Frederick Douglass escapes from slavery. |
| September 18, 1838 | The Anti-Corn Law League is established by Richard Cobden. |
| October 5, 1838 | The Killough massacre in east Texas sees eighteen Texian settlers either killed or kidnapped. |
| October 27, 1838 | Missouri governor Lilburn Boggs issues the Extermination Order, which orders all Mormons to leave the state or be killed. |
| November 3, 1838 | The Times of India, the world's largest circulated English language daily broadsheet newspaper is founded as The Bombay Times and Journal of Commerce. |
| December 16, 1838 | Great Trek: Battle of Blood River: Voortrekkers led by Andries Pretorius and Sarel Cilliers defeat Zulu impis, led by Dambuza (Nzobo) and Ndlela kaSompisi in what is today KwaZulu-Natal, South Africa. |