Articles: Canada - Czechoslovakia Click the links below for individual articles. Canada $20 – Read the story behind the Aboriginal sculpture of “Raven and the First Men”.Canada $50 – The King Prime Minister and a polar science icebreaker. China – Meet Xiang Luo, the precocious child who taught Confuscius, depicted on the back of this banknote.Congo D.R. –Some details about the fearsome looking Tshokwe Mwana Pwo Tribal Mask.Cook Islands – Read the entertaining legend of Ina and the Shark, shown on this three dollar banknote. Croatia – The Amazing Scientist Roger Joseph Boscovich: Engineer, physicist, geologist, diplomat, particle physicist, astronomer and in his spare time, a poet.Czechoslovakia – Meet Jan Zizka aka John One-Eye, who may have been the first to use a primitive armored tank, and was the first to write a code of military conduct for his troops.