Engineer's Day in Chile
Engineer's Day in Chile is held on May 14. This event in the second decade of the month may is annual.
International Day of Light on May 16 (initiated by UNESCO on November 14, 2017);
World Interiors Day on May 22 (Celebrated on the fourth Saturday in May);
Engineering Day in Argentina on June 6 (established in honor of the country's first engineer, Louis Huergo);