The Anti-Socialist Laws or Socialist Laws (German: Sozialistengesetze; officially Gesetz gegen die gemeingefährlichen Bestrebungen der Sozialdemokratie, approximately "Law against the public danger of Social Democratic endeavours") were a series of acts, the first of which was passed on October 19, 1878 by the German Reichstag lasting till March 31, 1881, and extended 4 times (May 1880, May 1884, April 1886 and February 1888).