Copernicus makes his First observations of Saturn in 1514.
"Bombay Gazette” started printing paper on silk from 26 April 1841.
On this day in 1956 SS Ideal X, the world's first successful container ship, leaves Port Newark, New Jersey for Houston, Texas.
"2 Gentlemen of Verona" musical opens in London in 1973.
Landslide in Huancavelica Province Peru in 1974 creates a natural dam.
World's worst nuclear disaster: 4th reactor at Chernobyl nuclear power station in USSR explodes, in 1986 31 dies, radioactive contamination reaches much of Western Europe.