Fraternal Democrats was an international society, founded at a meeting held in London

London

London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

 on September 22. 1845. The society embraced representatives of Left Chartists, German workers and craftsmen – members of the League of the Just – and revolutionary emigrants of other nationalities. During their stay in England in the summer of 1845, Karl Marx

Karl Marx

Karl Heinrich Marx was a German philosopher, economist, sociologist, historian, journalist, and revolutionary socialist. His ideas played a significant role in the development of social science and the socialist political movement...

 and Friedrich Engels

Friedrich Engels

Friedrich Engels was a German industrialist, social scientist, author, political theorist, philosopher, and father of Marxist theory, alongside Karl Marx. In 1845 he published The Condition of the Working Class in England, based on personal observations and research...

helped in preparing for the meeting but did not attend it as they had by then left London. Later they kept in constant touch with the Fraternal Democrats trying to influence the proletarian core of the society, which joined the Communist League in 1847, and through it the Chartist movement. The society ceased its activities in 1853.