American archaeologist Harem Bingham discovers Machu Picchu, a lost city of the Incan Empire, high in the Peruvian Andes.

Japan, the United States, Great Britain, and Russia agree to empower Canada to regulate the hunting of fur seals in the North Pacific and the Bering Sea. Hunters have lowered the fur seal population from an estimated 3.5 million in the early nineteenth century to a number that approaches extinction.

Joseph Schumpeter, a Moravian economist at the University of Graz, publishes his Theory of Economic Development, a work that exerts wide influence among economists, especially following its translation into English in 1934.

The last horse-drawn bus operated by the London General Omnibus Company ends its service in London.

Traveling by rail and ship, Andre Jaeger-Schmidt sets a new around-theworld record of thirty-nine days, nineteen hours.

German novelist Thomas Mann publishes Death in Venice.

French artist Georges Braque, one of the founders of...