He was strongly influenced by the writings of Sigmund Freud.
His wife was Gala (Eluard).
Pablo Picasso loaned Dalí the 500 dollars he needed to make his first trip to New York in 1934.
Dalí supported Franco during the Spanish Civil War.
To the opening of the London Surrealist exhibition in 1936, he wore a deep sea diving suit (in which he was about to die as, at a moment, there wasn't oxygen anymore!!!)
Dalí had a hand in Spellbound, one of Hitchcock's thriller (a female doctor in an asylum falls in love with the new director. But she understands very quickly he's himself a mad person making him out of be Dr Edwardes. When he recovers memory, he thinks he killed the real director and flees the asylum. The female doctor tries to help him and asks a former professor analysing his dreams.) and collaborated with Luis Bunuel in making An Andalusian Dog and The Golden Age.