Luxemburg was arrested on March 19, 1906, in Warsaw for revolutionary activities.
On March 19, 1906, Rosa Luxemburg was arrested in Warsaw by Russian authorities who saw her as a significant threat due to her active engagement in revolutionary activities during the 1905–1906 uprisings. Her arrest came amidst efforts to organize labor strikes and propagate socialist ideals, a testament to her influence and determination to push for societal changes. This arrest was one of several throughout her life, highlighting her unwavering commitment to her cause even under oppressive regimes.