Frederick the Great at 300

Frederick II (1712-1786) was a musician, architect, philosopher, commander-in-chief and statesman. Prussia’s most famous king is the focus of “Friederisiko” (“Frederick’s Risk”), an exhibition at the Neus Palais and Sanssouci Park in Potsdam, Germany, April 28-Oct. 28, 2012.

€17.40 (about $23) adult, €13 senior or €2.50 child under seven. Contact Stiftung Preußische Schlösser und Gärten Berlin-Brandenburg (Postfach 60 14 62, 14414 Potsdam, Germany; www.spsg.de).