MONDAY, APRIL 1, 2013

Today is Monday, April 1, the 91st day of 2013. There are 274 days left in the year.

1578 ― William Harvey of England discovers blood circulation

1748 ― Ruins of Pompeii found

1792 ― Gronings feminist Etta Palm demands women’s right to divorce

1935 ― First radio tube made of metal announced, Schenectady, N.Y.

1952 ― “Big Bang” theory proposed in Physical Review by Alpher, Bethe and Gamow

1966 ― Chinese Premier Zhou Enlai starts “Cultural revolution”

1976 ― Stephen Wozniak & Steven Jobs originate Apple Computer

1979 ― Iran proclaimed an Islamic Republic following fall of Shah

1980 ― Wayne Gretzky breaks Bobby Orr’s record with 103rd assist

1982 ― U.S. formally transfers Canal Zone to Panama