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What Happened in April?
Sieges, raids, and monumental deaths. Discover key historical events from April that influenced the world. Dates for earlier events may be approximate.
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The Lewis and Clark expedition resumes its journey West, on April 7, 1805 leaving its camp after a harsh winter among the Mandan and Hidatsa tribes. in present day North Dakota. The departure marked the transition from what was then, known territory into the uncharted lands of the upper Missouri and the Rocky Mountains. More
The UK and Russia sign the Treaty of London, on April 11, 1805, forming an alliance against Napoleon.
The Battle of Derna, a key event in the First Barbary War takes place on April 27, 1805. It involved U.S. Marines, under the command of Lieutenant Presley O'Bannon, and other forces, ultimately capturing the city of Derna, then part of Tripolitania, now Libya. It was the first land battle of the United States on foreign soil after the American Revolutionary War. More
English poet William Wordsworth first publishes "Poems in Two Volumes." c. April.17, 1807
Zebulon Pike, U.S. army officer and explorer for whom Pikes Peak in Colorado was named, is killed during the war of 1812. More
Napoleon abdicates following the signing of the Treaty of Fontainebleau, on April 11, 1814, between Napoleon and representatives of Austria, Russia and Prussia. The agreement ended Napoleon's rule as emperor of the French and sent him into exile to the island of Elba, now an Italian island. More
Mount Tambora on the northern coast of Sumbawa island, Indonesia explodes in a violent blast, on April 10, 1815, which blew the mountain apart resulting in one of the most powerful eruptions in recorded human history.
Tambora’s catastrophic activity began on April 5, 1815, with small tremors and pyroclastic flows, followed by Increased steaming and smaller eruptions for up to three years. The effects of the eruptions included major climate changes and a "volcanic winter" in the following year (1816) which is referred to as "the year without summer" The blast, pyroclastic flows, and tsunamis that followed killed at least 10,000 islanders and destroyed the homes of 35,000 more. Before its eruption Mount Tambora was about 4,300 meters (14,000 feet) high. After the eruption ended, a caldera spanning some 6 km (3.7 miles) across remained. The death toll estimate is that at least 71,000 people perished, of which 11,000 –12,000 were killed directly by the eruption. More
The Venus de Milo was discovered on April 8, 1820, on the Aegean island of Melos (now Milos) in Greece by a farmer named Yorgos Kentrotas. The statue was found in several pieces within a niche in an ancient wall ruins. It was later acquired by the French and presented to King Louis XVIII, reconstructed, and put on display in the Louvre in Paris in 1821.
The Ancient Greek sculpture from the Hellenistic period (ca. 100-130 BC), also known as the Aphrodite of Milos, representing the goddess Aphrodite (Venus), is made of Parian marble. It was found in two main pieces (torso and lower body) with missing arms which have never been found. Fragments of an arm and a hand holding an apple were found nearby but were never reattached, and their original position is still a mystery. The sculpture, stands slightly larger than life at approximately 6 feet 8 inches (203–204 cm) tall. An exact replica of the Venus de Milo is on display at the Archaeological Museum of Milos in Greece.
The Church of Jesus Christ of Latter-day Saints is officially organized on April 6, 1830, in Fayette, New York. The church was initially named the "Church of Christ" before later being officially named The Church of Jesus Christ of Latter-day Saints. Joseph Smith, Oliver Cowdery, Hyrum Smith, Peter Whitmer Jr., Samuel H. Smith, and David Whitmer were among the key participants. More
The Battle of San Jacinto takes place on April 21, 1836, in present-day La Porte and Deer Park, Texas (near modern-day Houston). It was the final and decisive battle of the Texas Revolution, where a smaller Texan army under General Sam Houston defeated the Mexican army led by General Antonio López de Santa Anna leading to the Texan victory over Mexico and the capture of General Santa Anna.
The modern safety pin is invented and patented on April 10, 1849, by Walter Hunt, a mechanic and independent inventor from New York, The design included a clasp to protect the point and a circular twist at the bend for a spring action.
The first train crosses the Indian Peninsula from Bombay to Thane on April 16, 1853.
The Groundbreaking of the Suez Canal officially began on April 25, 1859, when French diplomat Ferdinand de Lesseps broke ground at Port Said, Egypt. Ten years later, on August 18, 1869, the water of the the Red Sea and the Mediterranean seas meet and a new world navigation path was established; after after digging out 74 million m3 of soil and spending 433 million Francs, double the original estimate. More
The Pony Express begins service on April 3, 1860, from St. Joseph, Missouri, to Sacramento, California. It only operated for 18 months, ending service on October 26, 1861, the same day the transcontinental telegraph was completed. Although short lived, the Pony Express went on to become part of the lore of the Old West.
The more than 1900 mile trail, went through Kansas, Nebraska, Wyoming, Utah, and Nevada and the riders changed horses every 10–15 miles at roughly 100 stations. With an initial service cost $5 per half-ounce, it delivered a letter in 10 days, faster than ever. About ten weeks after the Pony Express began operations, Congress authorized a bill to subsidize the building of a transcontinental telegraph line to connect the Missouri River and the Pacific Coast. More
The Confederate Forces attack Fort Sumter, South Carolina, on April 12, 1861, marking the official beginning of the The American Civil War. The Union forces in the Fort, surrendered after a 33-hour bombardment by Confederate cannons. The war lasted four years, cost the lives of more than 620,000 Americans, and freed 3.9 million enslaved people from bondage. More
The Baltimore Riot of 1861, also called the Pratt Street Massacre, takes place on April 19, 1861, one week after the surrender of Fort Sumter, where a mob of Confederate sympathizers attacked Union soldiers resulting in the death of 4 soldiers and 12 civilians. More
General Robert E. Lee accepts on April 23, 1861, the appointment of major general of Virginia’s State forces. and On May 7 Virginia joined the Confederacy on May 7 and Lee was commissioned brigadier general in the Confederate army on May 14. He was promoted to full general on August 31, 1861. More