International Polar Year References International Polar Year Ask Anything Homework Help Also known as: IPY Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Antarctica/ IGY and the Antarctic Treaty…at that time to organize similar programs every 50 years. In 1932–33 the Second International Polar Year took place, with 34 nations participating, but no Antarctic expeditions were mounted. Read More…at that time to organize similar programs every 50 years. In 1932–33 the Second International Polar Year took place, with 34 nations participating, but no Antarctic expeditions were mounted. Read More