What great tragedy happened on feb 1959?

In February 1959, a tragic event known as the Dyatlov Pass incident occurred in the Ural Mountains of Russia. Nine experienced hikers mysteriously died under puzzling circumstances, with injuries that were difficult to explain and their tent found abandoned, slashed open from the inside. The case has sparked numerous theories and remains a topic of intrigue and speculation, with theories ranging from an avalanche to secret military tests.