It is generally believed that John Brown led four of his sons and three others in killing five pro-slavery men near Dutch Henry's crossing on Pottawatomie Creek in Franklin County on May 24, 1856.
https://www.kshs.org/kansapedia/pottawatomie-massacre/16699
Pottawatomie, part of Bleeding Kansas. The Pottawatomie Massacre occurred in Franklin County in Kansas, and was one of the many violent events that took place between pro-slavery and abolitionist factions in Kansas in the build-up to the American Civil War. The massacre was carried out by a group of abolitionists who were led by John Brown Senior. During the night of May 24, 1856 and the following morning, Brown’s group attacked and killed five settlers near the Pottawatomie Creek.
http://totallyhistory.com/pottawatomie-massacre/
Southerners alleged that his rebellion was the tip of the abolitionist iceberg and represented the wishes of the Republican Party to end slavery. Historians agree that the Harpers Ferry raid in 1859 escalated tensions that, a year later, led to secession and the American Civil War.
https://en.wikipedia.org/wiki/John_Brown_%28abolitionist%29
John Brown (May 9, 1800 – December 2, 1859) was an American abolitionist who believed armed insurrection was the only way to overthrow the institution of slavery in the United States. During the 1856 conflict in Kansas, Brown commanded forces at the Battle of Black Jack and the Battle of Osawatomie. Brown's followers killed five slavery supporters at Pottawatomie. In 1859, Brown led an unsuccessful raid on the federal armory at Harpers Ferry that ended with the multi-racial group's capture. Brown's trial resulted in his conviction and a sentence of death by hanging.
https://en.wikipedia.org/wiki/John_Brown_%28abolitionist%29
...mob sacked the town of Lawrence, an antislavery stronghold, on May 21, 1856. On May 24–25 John Brown, a free-state partisan, led a small party in a raid upon some proslavery settlers on Pottawatomie Creek, murdered five men in cold blood, and left their gashed and mutilated bodies as a warning to the slaveholders. Not even the U.S. Capitol was safe from the violence. On May 22...
https://www.britannica.com/event/Pottawatomie-Massacre
Bleeding Kansas/ Pottawatomie Massacre. The issue over Kansas angered the north who wanted Kansas to be admitted as a free state, contrary to what the South believed would happen. As a result, there were several attacks between the years 1854 - 1860. The most famous of these attacks between Antislavery and Proslavery people was the Pottawatomie Massacre.
http://sectionalism2civilwar.weebly.com/bleeding-kansas--pottawatomie-massacre.html
* John Brown - Abolitionist, led a group of people to Pottawatomie Creek and attacked people who were pro-slavery forces. * Stephen Douglas - Voted against the Lecompton Constitution, threw the Constitution into popular vote (Constitution voted down)
http://sectionalism2civilwar.weebly.com/bleeding-kansas--pottawatomie-massacre.html
* This was a series of bloody confrontations between the North (pro-slavery) and the South (anti-slavery) * Most famous was John Brown's Pottawatomie Massacre (first) * Fighting started 1856, but tensions and anger started 1854. * Blood was shed over the issue as to whether Kansas should be a slave or free state. * Blood was also shed in the Senate.
http://sectionalism2civilwar.weebly.com/bleeding-kansas--pottawatomie-massacre.html
The term Bleeding Kansas began to appear in the press in the spring of 1856 when a number of guerrilla warfare activities occurred. One of these was called the Pottawatomie Massacre. John Brown, a radical abolitionist, made his presence in Kansas known during May 1856.
https://www.kshs.org/kansapedia/pottawatomie-massacre/16699
1 Activate Your Free Trial!  Pottawatomie Massacre. Pottawatomie Massacre, (May 24–25, 1856), murder of five men from a proslavery settlement on Pottawatomie Creek, Franklin county, Kan., U.S., by an antislavery party led by the abolitionist John Brown and composed largely of men of his family.
https://www.britannica.com/event/Pottawatomie-Massacre
who led the pottawatomie massacre
The abolitionist John Brown led the Pottawatomie massacre. Abolitionist John Brown had led the Pottawatomie Massacre.