Koreans awarded the rank of wonsu have included: Kim Jong-il (1992), O Jin U (1992), Choe Kwang (1995) and Ri Ul-sol (1995). Rank of marshal with the title "marshal of the Democratic People's Republic of Korea" (konghwaguk wonsu) is superior to "marshal of the Korean People's Army" (wonsu). Chasu North Korea also maintains a rank of chasu, senior to the four-star rank of daejang, but junior to wonsu. Paraguay The Spanish rank mariscal presidente de los ejércitos (English: "marshal president of the armies") was a rank given by the Paraguayan Congress to Francisco Solano López at the beginning of the Paraguayan War. It is equivalent to the rank of grand marshal. López remains the only Paraguayan that was ranked as a marshal during his lifetime and also the only one with the title mariscal presidente de los ejércitos. José Félix Estigarribia posthumously received the rank of field marshal. Russian Federation Marshal of the Russian Federation () is the highest military rank of Russia, created in 1993 following the dissolution of the Soviet Union. South Korea In South Korea wonsu is considered a five-star rank, and uses an insignia based on the five-star insignia of the U.S. General of the Army. Soviet Union The rank of "generalissimus of the Soviet Union" was created on 27 June 1945, and granted to Joseph Stalin, who never actually wore the insignia; instead, his tunic with Marshal had a special design different from the regular military uniform of a Marshal. He was the only person ever to hold the rank. United States Admiral of the Navy George Dewey was promoted to the U.S. rank of admiral of the Navy on March 24, 1903, with effect from March 2, 1899. In 1944 the Navy Department declared Dewey's rank to be senior to the then newly created five-star rank of fleet admiral. During the preparations for the invasion of Japan, a proposal was raised by the Navy Department to appoint Chester Nimitz to the rank of admiral of the Navy, or grant him some equivalent rank. The proposal, however, was dropped after the Japanese surrender. General of the Armies of the United States John Pershing was promoted to "General of the Armies" in 1919, from what was then the highest rank, the four-star rank of general. Under the regulations of the time, he was permitted to choose his insignia, and he chose four gold stars, in contrast