چه کسانی در اردیبهشت 2017 درگذشتند

Russian military officer who, during a 1983 false alarm, decided not to launch a nuclear counter-strike, a decision that likely prevented a global catastrophe

American musician, composer, and singer, celebrated as the lead vocalist of Soundgarden and Audioslave, known for his powerful voice and extensive songwriting

President of Finland and pioneering Social Democrat who served as head of state for twelve years