Engineer's Day in Korea
Engineer's Day in Korea is held on March 30. This event in the third decade of the month march is annual.
Engineer's Day in Ghana on March 23 (23-29 March in 2020. Every last full week of March);
Engineer's Day in Jordan on April 7 (7-8 April in 2017. Jordan Engineers Association (JEA) was established in 1953 as “engineers' society” to organize the services of few hundreds of engineers);
Black Day on April 14 (South Korea, Japan, Taiwan. An unofficial holiday celebrated annually by single people - unmarried or unmarried people);