How Was It Done?: The Story of Human Ingenuity Through the Ages
Összefoglaló
Tells the stories behind such achievements as how Vikings crossed the Atlantic without a compass or chart, how scientists split the atom, and how soldiers prepared for trench warfare during World War I
We swear that we shall protect Hungary and all its several inhabitants by our laws and freedoms.
That was one of the oaths sworn by Hungarys kings, as they were crowned with a priceless set of co...