Complex sentence: Pavel Andreyevich Mironov (12 December 1919-26 April 1945) was a Red Army Junior Lieutenant, he was awarded a posthumous Hero of the Soviet Union and Order of Lenin for his bravery during the Bratislava-Brno Offensive.
Split into simpler sentences: Pavel Andreyevich Mironov (12 December 1919-26 April 1945) was a Red Army Junior Lieutenant and a posthumous Hero of the Soviet Union. Mironov was awarded the title Hero of the Soviet Union and the Order of Lenin for actions during the Bratislava-Brno Offensive.