Part 1 of 5 · freeIntroduction
In October 1962, humanity came within inches of the worst. For 13 days, the United States and the USSR faced off over nuclear missiles installed in Cuba, an island less than 150 km from Florida. The bombers were ready. One mistake, and everything could tip over.
The crisis was the high point of the Cold War. It played out in offices in Washington and Moscow, and also in one isolated submarine, where an officer refused to fire a weapon that could have destroyed everything.
The rest is in the Sophia app.The remaining parts, the open-book quiz and the full glossary. Free to start; Premium unlocks everything.
- 2Cuba, too close to the United States
- 3October 14: the secret breaks
- 4Black Saturday
- 5After the fear, a little dialogue
Open-book quiz9 questions whose answers are in the text.
Glossary13 terms explained in a tap.
30 languagesThe same course, from French to Japanese.





