 Complete the following phrase:  Danish-Polish relations date back to the Middle Ages. Poland and Denmark entered into alliances in 1315 and 1350. Later on, during the Polish-Teutonic wars of 14091411 and 14541466, Denmark temporarily sided with the Teutonic Knights, however, there were very few Danish-Polish clashes. Between those wars, Eric of Pomerania of the House of Griffin became King of Denmark as Eric VII in 1412, and reigned until 1439. Denmark and Poland were allies during the 