Fort Sumter, one of the few military installations in the South still in Federal hands, came under fire from Confederate guns in Charleston, South Carolina, thus initiating the American Civil War.
Taken from: https://www.britannica.com/on-this-day/April-12
Apollo 13 was launched from Cape Kennedy (now Cape Canaveral), Florida; although scheduled to be the third lunar landing, the mission was aborted after an oxygen tank exploded en route to the Moon.
Taken from: https://www.britannica.com/on-this-day/April-11
For the APUSH Exam you MUST know what America is doing home and abroad. One of the worst things America did was forcing 120,000 Japanese Americans to live in Internment camps across the nation. Americans were xenophobic, and afraid after Pearl Harbor there would be another homeland attack, or Japanese Americans were spying and telling secrets to Japan. Thankfully it was only till 1945, but dang that was too long. President Roosevelt said it was his biggest mistake as President issuing this Executive Order, and he regretted it!
Below is George Takei's TED Talk. He is a famous actor best known as Sulu in Star Trek. He was 4 years old when his family was interred. It is an AMAZING Talk that would be worth the watch!
The courtroom classic 12 Angry Men was released in the United States; it starred Henry Fonda as a juror who tries to convince the others that the accused murderer may be innocent.
Taken from: https://www.britannica.com/on-this-day/April-10