April 14

• April 14, 1792
  After declaration issued by Holy Roman Emperor Leopold II and Frederick William II of Prussia against the French Revolution, France declares war on Austria, starting French Revolutionary Wars which lead into the Napoleonic Wars
• April 14, 1841
  American author Edgar Allan Poe publishes his short story "The Murders on the Rue Morgue", considered the first detective
• April 14, 1847
  Persia and Ottoman Empire sign second Treaty of Erzurum, settling boundary disputes between countries
• April 14, 1853
  Harriet Tubman, an African-American abolitionist, begins her Underground Railroad, a network of secret routes to help slaves to escape
• April 14, 1859
  Charles Dickens' "A Tale Of Two Cities" is published
• April 14, 1860
  First Pony Express rider arrive in San Francisco with mail originating in St. Joseph, Missouri
• April 14, 1865
  John Wilkes Booth, an actor and Confederate sympathizer, fatally shoots US President Abraham Lincoln at a play at Ford's Theater in Washington, D.C.; Andrew Johnson becomes 17th President of the United States
• April 14, 1894
  Thomas Edison makes his first public showing of the kinetoscope in New York City showing moving pictures through a magnifying lens
• April 14, 1900
  French President Emile Loubet opens International Fairs in Paris, France
• April 14, 1912
  RMS Titanic, a British passenger liner, sinks in the North Atlantic after hitting with an iceberg during her maiden voyage which causes the deaths of 1,502 people
• April 14, 1927
  In Sweden, Volvo produces its first production line car, Volvo OV 4, in Gothenburg, which has a 28-hp 4-cylinder engine, and costs 4800 kronor
• April 14, 1931
  The Second Spanish Republic is proclaimed in Madrid, Spain after King Alfonso XIII left the country following municipal elections
• April 14, 1935
  The great dust storm in the United States hits eastern New Mexico and Colorado, and western Oklahoma the hardest, which greatly damages the ecology and agriculture and forces tens of thousands of families to abandon their farms
• April 14, 1978
  Thousands of Georgians demonstrate against an attempt by Soviet authorities to change the constitutional status of the Georgian language
• April 14, 2003
  The Human Genome Project, an international scientific research project, is successfully completed, with 99 percent of the human genome sequenced to 99.99 percent accuracy
• April 14, 2010
  In Iceland, a volcano buried under the Eyjafjallajokull glacier erupts, sending up a massive ash cloud that prompts the closure of airports in parts of Europe