2004 Death Laurance Rockefeller, venture capitalist/philanthropist, founded the American Conservation Association, dies at 94 1996 Death Rosa Joyce Plesters Brommelie, conservation scientist, dies at 69 1973 Event Maximum speed limit cut to 55 MPH as an energy conservation measure 1934 Event Congress passes Migratory Bird Conservation Act 1933 Event Congress authorizes Civilian Conservation Corps 1933 Event Civilian Conservation Corp, begins tree conservation 1927 Birthday Rosa Joyce Plesters Brommelie, conservation scientist 1893 Birthday Evert S J Kruythoff, Ned Antillean author, conservation flora 1892 Event Sierra Club forms by John Muir for conservation of nature 1818 Birthday James Prescott Joule, physicist, discovered conservation of energy
