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International Geophysical Year

(Encyclopedia)International Geophysical Year (IGY), 18-month period from July, 1957, through Dec., 1958, during a period of maximum sunspot activity, designated for cooperative study of the solar-terrestrial enviro...

weights and measures

(Encyclopedia)CE5 weights and measures, units and standards for expressing the amount of some quantity, such as length, capacity, or weight; the science of measurement standards and methods is known as metrology...

Shiffrin, Mikaela Pauline

(Encyclopedia)Shiffrin, Mikaela Pauline, 1995–, American skier, b. Vail, Colo. She competed in her first World Cup Alpine event, giant slalom, in 2011, and that same year won the slalom title at the U.S. National...

International Refugee Organization

(Encyclopedia)International Refugee Organization (IRO), temporary agency of the United Nations, established in 1946. In arranging for the care and the repatriation or resettlement of Europeans made homeless by Worl...

Institute of International Law

(Encyclopedia)Institute of International Law, Fr., Institut de Droit International, private international organization, est. 1873 in Ghent, Belgium, dedicated to the study, development, and implementation of intern...

international date line

(Encyclopedia)international date line, imaginary line on the earth's surface, generally following the 180° meridian of longitude, where, by international agreement, travelers change dates. Traveling eastward acros...

International Grenfell Association

(Encyclopedia)International Grenfell Association, organization established in 1912 to aid the efforts of Sir Wilfred Thomason Grenfell (1865–1940), an English physician and missionary to the people of Labrador, C...

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