Keywords: József Heicke23.jpg title Barrikade am 26 und 27 Mai 1848 Wien lithography 32 x 43 cm French Revolution of 1848 led to unrest in Vienna http //www sosantikvarium hu/engraving352-1 html creator Joseph Heicke 1848 Public domain PD-old-100 Joseph Heicke Revolutions of 1848-1849 in the Austrian Empire 1848 in Vienna |