UNITED NATIONS EDUCATIONAL SCIENTIFIC AND CULTURAL ORGANIZATION,  UNESCO IS LAUNCHING TODAY TUESDAY 29 JANUARY INTERNATIONAL YEAR OF PERIODIC TABLE CHEMICAL ELEMENTS IN HEADQUARTER PARIS. DURING THE YEAR A SERIES OF EVENTS AND ACTIVITIES OF CELEBRATION. THE WORLD COMMEMORATES  150 ANNIVERSARY CREATION OF THIS ACADEMIC TOOL  BY SCIENTIST DMITRI MENDELEEV.

TODAY 21 JANUARY 2019 IS THIRD MONDAY IN THIS MONTH. UNITED STATES IS CELEBRATING THE MARTIN LUTHER KING DAY. TODAY IS FEDERAL HOLIDAY IN OUR COUNTRY.

 CONGRESS UNITED STATES MANAGES LEGISLATIVE POWER IN OUR COUNTRY. THE CONGRESS HAS TWO CAMERAS: THE HOUSE AND THE SENATE. THE HOUSE CAMERA REPRESENTATIVE HAS 435 MEMBERS. THE SENATE REPRESENTATIVE HAS 100 SENATORS.