Karl Marx was born on May 5th two hundred year ago. It is difficult to think of any political thinker who exercised a similar influence. Ideas do not always "have consequences" - but Marx's had. They became the ideological backbone of regimes that ruled over half of the world. It is difficult to say how proficient in Marxism their leaders really were - but they pretended to be. Famously, Stalin, to put to rest his comrades' whispering that he was weak in theory, began taking private lessons on Marxism taught by a Party philosopher. Later, he took a shortcut and started putting his comrades to rest directly. Great party leaders needed to master the sacred texts. You can see why communism gave
Alberto Mingardi considers the following as important: Economic History
This could be interesting, too:
Bryan Caplan writes A Brief History of Immigration Restrictions in the USA: Comic Edition
Alberto Mingardi writes Fantastic Neoliberal Policies and Where to Find Them
Scott Sumner writes When the shoe was on the other foot (A suggestion for Chinese trade negotiators)
Bryan Caplan writes What’s Historic?