Fish Worker is marked on the second Sunday of July since 2017 in Kazakhstan. World Population Day on July 11 is a holiday that's dedicated to focusing on the importance of population issues. The day was established by the United Nations as a result of the massive interest people had in Five Billion Day in 1987. EVENTS 1977 – The Kazakh Research Institute of Mineral Resources is set up. 1997 - Kazakhstan Electricity Grid Operating Company (KEGOC) based at the property complex of the National Holding Kazakhstanenergo is established. 1997 – Kazakhstan adopts the Law on Languages. 2013 – Maria Mudryak from Kazakhstan makes it into the top ten sopranos at the prestigious international contest Belvedere.