Today is Thursday, April 28, the 118th day of 2011. There are 247 days left in the year.
1686 ― First volume of Isaac Newton's ``Principia" published
1770 ― Captain James Cook in Endeavor lands at Botany Bay in Australia
1914 ― W.H. Carrier patents air conditioner
1932 ― Yellow fever vaccine for humans announced
1964 ― Japan joins OECO
1967 ― Muhammad Ali refuses induction into army and stripped of boxing title
1969 ― Charles de Gaulle resigns as President of France
1969 ― King Crimson with Greg Lake and Ian McDonald debuts
1975 ― Last Americans evacuated from Saigon
1995 ― Gas explosion in South Korean metro, 103 die