Chief Accountant Day
Chief Accountant Day is held on April 21. Russia. This event in the third decade of the month april is annual.
Tax Day on April 15 (United States, the Philippines - the official deadline for filing an individual tax return or requesting an extension);
World Fair Trade Day on May 9 (celebrated on the second Sunday of May);
Volga River Day in Russia on May 20 (celebrated since 2008);
Day of the seal in Russia on May 25 (Irkutsk region);
Accountants Day in Mexico on May 25 (Día del Contador Público commemorating the events of 1907)