eading: The Battle of Trafalgar was a pivotal naval engagement fought during the Napoleonic Wars. The British fleet, under the command of Vice-Admiral Horatio Nelson, decisively defeated a combined French and Spanish fleet led by Admiral Pierre-Charles Villeneuve. This victory cemented British naval supremacy and had significant implications for the balance of power in Europe. --来自AI解读

eading: On October 21, 1879, Thomas Edison successfully demonstrated the first practical incandescent light bulb. His design improved upon earlier versions by using a longer-lasting bamboo filament and a more efficient vacuum pump to remove air from the bulb. This invention revolutionized daily life and set the stage for the widespread use of electricity in households and industries. --来自AI解读

eading: The Battle of Leyte Gulf, fought during World War II, marked the first use of kamikaze attacks by the Japanese military. These suicide missions involved pilots intentionally crashing their planes into enemy targets, often causing significant damage. The Allies' victory in this battle ultimately led to the defeat of Japan and the end of World War II. --来自AI解读

eading: On October 21, 1967, over 100,000 people gathered in Washington, D.C., to protest the ongoing Vietnam War. This massive demonstration reflected growing public discontent with the war and its impact on American society. The anti-war movement played a significant role in shaping public opinion and eventually contributed to the withdrawal of U.S. troops from Vietnam. --来自AI解读

eading: In 1983, the International System of Units (SI) redefined the meter as the distance traveled by light in a vacuum in 1/299,792,458 of a second. This new definition aimed to provide a more precise and consistent measurement standard, reflecting advances in scientific understanding and technology. --来自AI解读

eading: The Large Hadron Collider (LHC), a powerful scientific instrument designed to study the fundamental nature of matter and the universe, was officially inaugurated on October 21, 2008. Located at CERN in Geneva, Switzerland, the LHC has enabled groundbreaking research in particle physics, including the discovery of the Higgs boson. --来自AI解读

eading: On October 21, 2015, the United States and its allies launched a series of airstrikes against the Islamic State of Iraq and the Levant (ISIL) in northern Syria. This military action was part of an ongoing effort to combat the terrorist organization and protect regional stability. --来自AI解读