Thursday, Apr 25, 2024
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1954 - Bell labs announces first solar battery (New York City, New York).
1954 - US performs atmospheric nuclear test at Bikini Island.
1959 - The St. Lawrence Seaway, linking the North American Great Lakes and the Atlantic Ocean, officially opens to shipping.
1961 - Mercury/Atlas rocket lifts off with an electronic mannequin.
1961 - Robert Noyce is granted a patent for an integrated circuit.
1962 - US Ranger 4 spacecraft crash lands on the Moon.
1962 - US resumes above ground nuclear testing, at Christmas Island.
1967 - Abortion legalized in Colorado, USA.
1971 - About 200,000 anti-Vietnam War protesters march on Washington DC.
1971 - US canal rights in Nicaragua and rights to Corn Islands expire.