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Secondary sourceDocument15 June 1860

Report of the Senate Select Committee on the Harper's Ferry Invasion

James M. Mason · 15 June 1860

The 1860 U.S. Senate investigation into John Brown's raid on Harpers Ferry, seeking to uncover his Northern supporters.

This Senate investigation examined Brown's raid on Harpers Ferry and his network of Northern supporters.

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Title page of a U.S. Senate report, 36th Congress, 1st Session, Rep. Com. No. 278. Heading reads 'In the Senate of the United States, June 15, 1860, Ordered to be printed.' Text states Mr. Mason submitted the report of the Select Committee on the late invasion and seizure of public property at Harper's Ferry, followed by the December 14, 1859 resolution text.
Report of the Senate Select Committee on the Harper's Ferry Invasion, 15 June 1860. U.S. National Archives.

About this source

What it is

This is the report of the U.S. Senate Select Committee on the Harper's Ferry Invasion, chaired by James M. Mason, submitted to the 36th Congress in June 1860. It is held by the U.S. National Archives.

The committee was formed by Senate resolution in December 1859 to investigate the invasion and seizure of the federal armory at Harper's Ferry carried out by John Brown and his followers.

Why it matters

The investigation aimed to determine whether the raid involved armed resistance and murder, and whether it was backed by a wider organization, meaning Congress wanted to know who in the North had funded or supported Brown. The report shows how deeply the raid alarmed the government and deepened distrust between North and South in the years before the Civil War.

Look closer

  • Why would Congress want to know about Brown's financial backers rather than just Brown himself?
  • What does a formal government investigation suggest about how seriously the raid was taken?
  • What might this report leave out about Brown's own motives and beliefs?

This document is part of the curated material that grounds the AI version of John Brown on Humy.ai — when students ask about related events, the AI can quote it and cite it.

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