Days of protection from environmental hazards in Russia
Days of protection from environmental hazards in Russia is held on April 22. This event in the third decade of the month april is annual.
Chief Accountant Day on April 21 (Russia);
Physicist Day on May 7 (since 1959);
Volga River Day in Russia on May 20 (celebrated since 2008);
Day of the seal in Russia on May 25 (Irkutsk region)