In 1933, Strunk was awarded the Order of the Three Stars (Level IV Officer). In 1940, he organized his own 25th-anniversary retrospective exhibition. In 1944, Niklāvs Strunke fled to Sweden. He held solo exhibitions in Karlstad (1945), Malmö (1947) and Lund (1948). He participated in the exhibition of Estonian and Latvian artists in Stockholm (1946) and in the exhibition of the Hamburg Song Festival (1964). In addition to the impressions of Cubism and Constructivism, Strunke was interested in Italian art and Latvian folk art. He participated in the exhibitions of the Riga Artists' Group. He painted still lifes, portraits, and landscapes, and made a significant contribution to book graphics:   Between 1920 and 1944, Strunke drew the covers of more than 700 books, illustrated about 30 novels, poetry or fairy tales, worked as a decorator at the National Theater, the Workers' Theater, the National Opera (scenery for about 40 performances), and worked in applied art (glass paintings).