1862
The first income tax in the United States goes into force to help finance the Civil War.
AI analysis
读：In 1862, the United States introduced its first income tax to help finance the ongoing Civil War. This marked a significant shift in the country's tax system and set a precedent for future taxation policies. --来自AI解读
1863
The Battle of Gettysburg begins.
AI analysis
读：The Battle of Gettysburg, fought from July 1 to July 3, 1863, was a pivotal battle in the American Civil War. It took place in and around the town of Gettysburg, Pennsylvania, and resulted in a Union victory that turned the tide of the war against the Confederacy. --来自AI解读
1898
Spanish-American War: The Battle of San Juan Hill is fought in Santiago de Cuba.
AI analysis
读：The Battle of San Juan Hill, fought on July 1, 1898, was a decisive battle in the Spanish-American War. American forces led by Theodore Roosevelt's Rough Riders captured the strategic hill, which led to the eventual surrender of the Spanish forces in Santiago de Cuba. --来自AI解读
1916
World War I: First day on the Somme - In the Battle of Albert, the British Army suffers an estimated 57,470 casualties, including 19,240 killed or missing in action, the largest loss in British military history.
AI analysis
读：On July 1, 1916, the Battle of the Somme began, marking one of the bloodiest days in British military history. The British Army suffered an estimated 57,470 casualties, with 19,240 killed or missing in action, as they attempted to break through German lines in France. --来自AI解读
1922
The Irish Civil War begins with the shelling of the Four Courts in Dublin.
AI analysis
读：The Irish Civil War began on July 1, 1922, when the Four Courts in Dublin were shelled by the Irish National Army. This marked the start of a brutal conflict between pro-treaty and anti-treaty factions that lasted until May 1923. --来自AI解读
1942
The First Battle of El Alamein begins.
AI analysis
读：The First Battle of El Alamein, fought from July 1 to July 27, 1942, was a crucial battle in World War II. British forces halted the advance of the German-Italian army in Egypt, preventing them from reaching the Suez Canal and gaining control over the Middle East. --来自AI解读
1951
The Catcher in the Rye by J.D. Salinger is published.
AI analysis
读：On July 1, 1951, J.D. Salinger's iconic novel "The Catcher in the Rye" was published. The book has since become a classic of American literature, exploring themes of teenage rebellion and disillusionment. --来自AI解读
1962
Independence of Rwanda and Burundi.
AI analysis
读：On July 1, 1962, Rwanda and Burundi gained independence from Belgian colonial rule. Both countries had been under Belgian administration since the end of World War I, and their independence marked a significant milestone in African decolonization. --来自AI解读
1963
ZIP codes are introduced for mail delivery in the United States.
AI analysis
读：The ZIP code system was introduced in the United States on July 1, 1963, to improve mail delivery efficiency. The system assigns unique codes to different postal areas, facilitating faster and more accurate sorting of mail. --来自AI解读
1979
Sony introduces the Walkman.
AI analysis
读：On July 1, 1979, Sony introduced the Walkman, a portable cassette player that revolutionized the way people listened to music. The Walkman became an iconic symbol of the 1980s and played a significant role in popularizing portable music technology. --来自AI解读
1991
The Yugoslav People's Army leaves Slovenia.
AI analysis
读：On July 1, 1991, the Yugoslav People's Army withdrew from Slovenia, marking the end of the Ten-Day War and Slovenia's declaration of independence from Yugoslavia. This event was a significant step in the dissolution of Yugoslavia and the formation of new nations in the Balkans. --来自AI解读
1997
The United Kingdom transfers sovereignty over Hong Kong to China.
AI analysis
读：On July 1, 1997, the United Kingdom transferred sovereignty over Hong Kong to China, ending more than a century of British colonial rule. The transfer marked a significant shift in Hong Kong's status and its relationship with mainland China. --来自AI解读
2007
Smoking in England is prohibited in all enclosed public places and workplaces.
AI analysis
读：On July 1, 2007, a smoking ban came into effect in England, prohibiting smoking in all enclosed public places and workplaces. This legislation aimed to reduce exposure to secondhand smoke and improve public health. --来自AI解读
2013
Croatia becomes the 28th member of the European Union.
AI analysis
读：On July 1, 2013, Croatia officially joined the European Union as its 28th member state. This marked a significant milestone in Croatia's transition from a socialist republic to a democratic country integrated into the European community. --来自AI解读
2016
The United Kingdom and Gibraltar introduce the Adam Smith Institute's recommendation of a flat rate of 15% for corporation tax in order to increase economic competitiveness.
AI analysis
读：On July 1, 2016, the United Kingdom and Gibraltar introduced a flat rate of 15% for corporation tax, following a recommendation by the Adam Smith Institute. This tax reform aimed to increase economic competitiveness and attract businesses to the region. --来自AI解读
2019
The United States Women's National Soccer Team wins the 2019 FIFA Women's World Cup.
AI analysis
读：On July 1, 2019, the United States Women's National Soccer Team won the 2019 FIFA Women's World Cup, defeating the Netherlands 2-0 in the final. This marked the team's fourth World Cup title and cemented their status as one of the most successful teams in women's soccer history. --来自AI解读
