In September 1848, Douglass published an open letter addressed to his former master, Thomas Auld, berating him for his conduct, and inquiring after members of his family still held by Auld.
In late September 1848, Emperor Ferdinand, who was also King Ferdinand V of Hungary, decided to send Austrian and Croatian troops to Hungary to crush a democratic rebellion there.
In late 1848, Marx and Engels intended to meet with Karl Ludwig Johann D'Ester, then serving as a member of the provisional government in Baden and the Palatinate. He was a physician, democrat and socialist who had been a member of the Cologne community chapter of the Communist League.