MAY 5, 2019 marks the conclusion of the year-long observance of the 200th birth anniversary of Karl Marx, who was born on May 5, 1818.The 200th birth anniversary was observed worldwide, including in India. Conferences, seminars, discussions, and a host of publications regarding Marx and Marxism marked the year.What these diverse activities established was the abiding relevance of Marx and his thought in the contemporary era, that of the 21st century.