eading: The American Civil War was a pivotal event in the history of the United States, fought between the Union (the northern states) and the Confederacy (the southern states) over issues such as slavery and states' rights. The war began on April 12, 1861, when Confederate forces attacked Union troops at Fort Sumter, marking the start of a bloody conflict that would last for four years and claim the lives of an estimated 620,000 to 750,000 soldiers and civilians. --来自AI解读

eading: Franklin D. Roosevelt was the longest-serving President of the United States, leading the country through the Great Depression and World War II. His death on April 12, 1945, marked a significant transition in American history, as Vice President Harry S. Truman took over the presidency. Truman would go on to make key decisions, including dropping atomic bombs on Hiroshima and Nagasaki, which led to Japan's surrender and the end of World War II. --来自AI解读

eading: The launch of the Columbia space shuttle on April 12, 1981, marked a new era in space exploration for the United States. This was the first time a reusable spacecraft was used, paving the way for future shuttle missions and international cooperation in space exploration. The Columbia would go on to complete 27 missions before its tragic loss in 2003. --来自AI解读

eading: Euro Disney Resort, now known as Disneyland Paris, opened its doors on April 12, 1992, bringing the magic of Disney to Europe. Located in Marne-la-Vallée, France, the resort features two theme parks, Disneyland Park and Walt Disney Studios Park, as well as several hotels and entertainment venues. It has become a popular tourist destination in Europe, attracting millions of visitors each year. --来自AI解读

eading: On April 12, 2013, the Boston Marathon was marred by tragedy when two bombs exploded near the finish line, causing widespread panic and destruction. The attack, carried out by two brothers, resulted in the deaths of three people and injuries to hundreds more. The incident highlighted the ongoing threat of terrorism and led to increased security measures at public events worldwide. --来自AI解读