The German revolutions of 1848–1849 begin in Vienna.

The German revolutions of 1848–1849, the opening phase of which was also called the March Revolution, were initially part of the Revolutions of 1848 that broke out in many European countries. They were a series of loosely coordinated protests and rebellions in the states of the German Confederation, including the Austrian Empire. The revolutions, which stressed pan-Germanism, liberalism and parliamentarianism, demonstrated popular discontent with the traditional, largely autocratic political structure of the thirty-nine independent states of the Confederation that inherited the German territory of the former Holy Roman Empire after its dismantlement as a result of the Napoleonic Wars. This process began in the mid-1840s.

March 13 is the 72nd day of the year in the Gregorian calendar; 293 days remain until the end of the year.