There are three important alleged sightings of unidentified flying objects in Russia. the primary being in 1908, cited because the Tunguska event, this was a mutual explosion of a estraterrestrial body, that some fancy to be Associate in Nursing explosion of Associate in Nursing phantasm. successive major alleged observance occurred in 1986, the peak 611 phantasm incident, this refers to a phantasm crash claimed to happen in Dalnegorsk, Primorsky Krai, USSR, on January twenty nine, 1986. the foremost recent observance materialized between 1990-92 these sightings were the Sassowo explosions, 2 mysterious explosions occurred on Apr twelfth, 1990 and Gregorian calendar month eighth, 1992, akin to twenty five tons trinitrotoluene.[1]
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