Event:
Scientists discover a huge magma reservoir under Yellowstone National Park that feeds the magma chamber heating the park's geothermal features; though no volcanic eruption is likely for thousands of years, such an event would dwarf all others to date
More Notable Events on April 24:
1981 IBM-PC computer introduced
1953 Winston Churchill knighted by Queen Elizabeth II
1898 Spain declares war on U.S. rejecting ultimatum to withdraw from Cuba
1888 Eastman Kodak forms
1800 Library of Congress establishes with $5,000 allocation
