American President Abraham Lincoln suspends the writ of habeas corpus.

In one of the most controversial moves of his presidency, Abraham Lincoln suspended the writ of habeas corpus during the American Civil War, specifically in 1861. The writ of habeas corpus, a cornerstone of individual liberty, protects against unlawful and indefinite imprisonment — basically, it forces the government to justify why they’re holding someone. Lincoln’s decision came after riots in Baltimore and the sabotage of Union troop movements, which he saw as clear threats to national security. He argued that extraordinary times called for extraordinary measures, believing that preserving the Union was more urgent than sticking to standard legal processes. Critics immediately cried foul, accusing him of trampling on constitutional rights, but Lincoln stood firm, insisting that if the country itself was destroyed, no law would matter anyway. Congress eventually backed him up with the Habeas Corpus Suspension Act of 1863, but the debate about executive power versus civil liberties has echoed ever since.