This Day in History
Select a date to discover what happened on this day across centuries.
In 1969, the entire Apollo 11 guidance computer had less memory than a modern calculator.
Haiti Declares Independence
Haiti declared independence from France, becoming the first Black-led republic in the world and the second independent nation in the Western Hemisphere.
Emancipation Proclamation
President Lincoln issued the Emancipation Proclamation, declaring all enslaved persons in Confederate states to be free. It transformed the war's purpose and paved the way for abolition.
Euro Currency Launched
The euro was launched for financial transactions, with physical currency following in 2002. This unprecedented monetary union brought together much of Europe.
Elsewhere in January
Execution of King Charles I
King Charles I of England was tried for treason and publicly beheaded outside the Banqueting House in Whitehall. It was the first time a reigning European monarch was executed by his own subjects through a legal process.
Watt Patents Improved Steam Engine
James Watt patented his dramatically improved steam engine with a separate condenser. This innovation powered the Industrial Revolution, driving factories, trains, and steamships.
Unification of Germany
Otto von Bismarck unified the German states into the German Empire under Prussian leadership. Kaiser Wilhelm I was proclaimed Emperor at Versailles.
Hitler Becomes Chancellor of Germany
Adolf Hitler was appointed Chancellor, quickly consolidating power into a totalitarian dictatorship. His Nazi regime would launch WWII and perpetrate the Holocaust.
iPhone Introduced
Steve Jobs unveiled the iPhone, combining phone, music player, and internet device into a revolutionary touchscreen package that transformed daily life.
US Capitol Insurrection — COVID Vaccines
Supporters stormed the US Capitol on January 6 in an assault on American democracy. COVID vaccines developed at record speed were rolled out globally.