1901 to 1909
January 10, 1901 - The first major oil discovery in Texas occurs near Spindletop in Beaumont.
January 28, 1901 - The American League of Major League Baseball declares itself a Major League after one season as a minor league stemming from the minor Western League in 1899. The eight charter teams included the Baltimore Orioles, the Boston Americans, Chicago White Sox, Cleveland Blues, Detroit Tigers, Milwaukee Brewers, Philadelphia Athletics, and the Washington Senators. 1901 signified its initial year of competition as a major league, competing against the senior National circuit.
September 6, 1901 - President William H. McKinley is shot at the Pan-American Exposition in Buffalo, New York while shaking hands with fair visitors, following his speech at the event on President's Day the day before. Anarchist Leon Czolgosz is arrested for the crime. On September 14, Vice President Theodore Roosevelt is inaugurated as President upon the death of William McKinley from gunshot wounds sustained the week earlier. (6.58). https://www.youtube.com/watch?v=VOBzR5huSnM
April 2, 1902 - The first movie theatre in the United States opens in Los Angeles, California. It was known as the Electric Theatre. What did going to the movies look like back then? This slideshow how people spent some of their free time. (Best Theatres in America link)
July 17, 1902 - Willis Haviland Carrier, a native of Angola, New York, invents the air conditioner. He would patent the device on February 2, 1906 and his company would air condition such buildings as Madison Square Garden, The U.S Senate, and House of Representatives.
January 18, 1903 - The first two-way wireless communication between Europe and the United States is accomplished by Guglielmo Marconi when he transmits a message from President Theodore Roosevelt to the King of England from a telegraph station in South Wellfleet, Massachusetts. (14.21) https://www.youtube.com/watch?v=g57z0qFdPdQ
August 1, 1903 - The first cross-country automobile trip in the United States is completed with arrival in New York. The trip had begun in San Francisco on May 23.
December 17, 1903 - Inventors Wilbur and Orville Wright succeed in the first sustained and manned plane flight, taking the heavier-than-air machine through the winds of Kill Devil Hill, North Carolina, and man into an age of flight. The plane, mechanically propelled with a petroleum engine, flew 120 feet in 12 seconds, and later the same day, flew 852 feet in 59 seconds. They would patent the Airplane three years later on May 22, 1906. (16.22) https://www.youtube.com/watch?v=CSIPgdgiecw
April 30, 1904 - The Louisiana Purchase Exposition opens. Renowned for its spectacular ivory buildings, the inventions of the ice cream cone, and the "Meet Me in St. Louis" song, the St. Louis exposition closed December 1 with over nineteen million visitors. It was held on 1,272 acres. The Summer Olympic Games of 1904 were also twinned with the fair and were the first Olympic Games held in the western hemisphere. “Meet me in St. Louis” (1.08) https://www.youtube.com/watch?v=4JARDvdrAxk
May 15, 1905 - The city of Las Vegas, Nevada is formed with the sale of one hundred and ten acres in the downtown area.
April 18-19, 1906 - The San Francisco earthquake occurs, estimated at 7.8 on the Richter scale. Its proximity to the epicenter of the San Andreas Fault and the subsequent fire that followed the quake and aftershocks left 478 reported deaths, although estimates in the future peg that figure at nearly 3,000. Between $350-$400 million in damages were sustained. Refugee camps were constructed at twenty-one sites throughout the city, including the Presidio, Fort Point, and Golden Gate Park. (6.46) https://www.youtube.com/watch?v=6TaxcXfSwdE
June 30, 1906 - The Pure Food and Drug Act and the Meat Inspection Act is passed. An extract from The Jungle by Upton Sinclair with pictures showing the way meat was processed. (3.31) https://www.youtube.com/watch?v=nyH7D9DF0Mc
January 1, 1908 - The tradition of dropping a ball in New York's Times Square to signal the beginning of the New Year is inaugurated. (4.50) https://www.youtube.com/watch?v=UCJ7txPuxUo
May 14, 1908 - Technology moves forward as the first passenger flight on a plane occurs when Wilbur Wright escorts Charles W. Furnas in the Wright Flyer III at Huffman Prairie Flying Field in Dayton, Ohio. On September 27, the first production Model T is built at the Ford plant in Detroit, Michigan.
May 30, 1909 - The National Conference of the Negro is conducted, leading to the formation of the National Association for the Advancement of Colored People, (NAACP).