The first wagon train arrived in California after having left Independence, Missouri, in May 1841.
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NASA's Discovery Space Shuttle landed in California after completing its maiden voyage.
A steam locomotive called City of Truro became the first steam engine to go over 100 miles per hour.
A Palestinian couple was convicted of first-degree murder for the honor killing on their daughter.
John B. Meyenberg from St. Louis, Missouri, patented powdered milk.
Naturalists Chris Atkins and Michael Taylor discovered the world's tallest tree in Redwood National Park, California.
