The world's first Ceefax teletext service was begun in Britain by the BBC 

Sigmund Freud, Austrian psychoanalyst, dies 

Earl Ovington becomes 1st air mail pilot 

Proclamation sets fineness and weight of silver & bronze coins of Canada 

Francis Younghusbands leaves Lhasa Tibet 

Chewing gum was first commercially produced in the US by John Curtis in his home, and was called State of Maine Pure Spruce Gum 

German astronomer Johann Galle discovered the planet Neptune