CURRENT AFFAIRS

Detailed explanation-1: -The year 2019 marks the 150th anniversary of its creation by Russian scientist Dmitry Ivanovich Mendeleev. The Year was proclaimed by the United Nations General Assembly (A/RES/72/228 ) and approved by UNESCO’s General Conference (39C/ decision 60).

Detailed explanation-2: -2019 has been designated by UNESCO as the International Year of the Periodic Table (IYPT), marking the 150th anniversary of the Mendeleev periodic table, which is an iconic image and a vital tool to all who learn and work in science, at all stages of their learning and careers.

Detailed explanation-3: -Dmitrii Mendeleev in 1869, the year he formulated the periodic table of the elements.

Detailed explanation-4: -Mendeleev’s advance, announced in March 1869, as he put it in 1889, to the ‘…then youthful Russian Chemical Society…’, first set out the very basis of the periodic law of the chemical elements, the natural relation between the properties of the elements and their atomic weights.

Detailed explanation-5: -The United Nations General Assembly proclaimed 2019 as the International Year of Indigenous Languages (Ref.: 71/178) in order to raise global attention on the critical risks confronting indigenous languages and its significance for sustainable development, reconciliation, good governance and peace building.