Revolutions of 1848 in the Austrian Empire a common enemy. Previously, national identity allowed Habsburg forces to conquer revolutionary governments by playing them off one another. New democratic initiatives in Italy in the spring of 1848 led to a renewed conflict with Austrian forces in the provinces of Lombardy and Venetia. At the very first anniversary of the first barricades in Vienna, German and Czech democrats in Bohemia agreed to put mutual hostilities aside and work together on revolutionary planning. Hungarians faced the greatest challenge of overcoming the divisions of the previous year, as the fighting there had been the most bitter. Despite this, the Hungarian government
Diseases and epidemics of the 19th century century. Cholera came in seven waves, the last two of which occurred in the 20th century. The first cholera pandemic started in 1816, spread across India by 1820, and extended to Southeast Asia and Central Europe, lasting until 1826. A second cholera pandemic began in 1829, reached Russia, causing the Cholera Riots. It spread to Hungary, Germany and Egypt in 1831, and London, Paris, Quebec, Ontario and New York City the following year. Cholera reached the Pacific coast of North America by 1834, reaching into the center of the country by steamboat and other river traffic. The third cholera pandemic