WHAT ALL HAPPENED APRIL TO OCTOBER 1862
Find out what all happened April to October 1862

American Civil War: The Allegheny Arsenal explosion results in the single largest civilian disaster during the war. (17. September 1862)

American Civil War: Confederate troops evacuate Fort Pillow on the Mississippi River, leaving the way clear for Union troops to take Memphis, Tennessee. (4. June 1862)

Louis Pasteur and Claude Bernard complete the experiment falsifying the theory of spontaneous generation. (20. April 1862)

First ascent of Dent Blanche, one of the highest summits in the Alps. (18. July 1862)

American Civil War: George B. McClellan halts the northward drive of Robert E. Lee's Confederate army in the single-day Battle of Antietam, the bloodiest day in American military history. (17. September 1862)

American Civil War: The Battle of South Mountain, part of the Maryland Campaign, is fought. (14. September 1862)

American Civil War: Battle of Cedar Mountain – At Cedar Mountain, Virginia, Confederate General Stonewall Jackson narrowly defeats Union forces under General John Pope. (9. August 1862)

The Medal of Honor is authorized by the United States Congress. (12. July 1862)

American Civil War: Second Battle of Bull Run, also known as the Battle of Second Manassas. (28. August 1862)

American Civil War: New Orleans, Louisiana falls to Union forces under Admiral David Farragut. (29. April 1862)

Barbu Catargiu, the Prime Minister of Romania, is assassinated. (20. June 1862)

Cinco de Mayo: troops led by Ignacio Zaragoza halt a French invasion in the Battle of Puebla in Mexico. (5. May 1862)

American Civil War: Battle of Cross Keys – Confederate forces under General Stonewall Jackson save the Army of Northern Virginia from a Union assault on the James Peninsula led by General George B. McClellan. (8. June 1862)

The United States and the United Kingdom agreed to suppress the slave trade. (7. June 1862)

American Civil War: The Andrews Raid (the Great Locomotive Chase) occurs, starting from Big Shanty, Georgia (now Kennesaw). (12. April 1862)

President Abraham Lincoln signs a bill into law creating the United States Bureau of Agriculture. It is later renamed the United States Department of Agriculture. (15. May 1862)

American Civil War: Major General J.E.B. Stuart is assigned command of all the cavalry of the Confederate Army of Northern Virginia. (17. August 1862)

American Civil War: The ironclad CSS Virginia is scuttled in the James River northwest of Norfolk, Virginia. (11. May 1862)

American Civil War: The Battle of Shiloh begins – in Tennessee, forces under Union General Ulysses S. Grant meet Confederate troops led by General Albert Sidney Johnston. (6. April 1862)

As the Treaty of Saigon is signed, ceding parts of southern Vietnam to France, the guerrilla leader Trương Định decides to defy Emperor Tự Đức of Vietnam and fight on against the Europeans. (5. June 1862)