<i>The Gates of Paradise</i> by Jerzy Andrzejewski was published in 1960. It consists of 40,000 words in two sentences. The second sentence is "And they marched all night" [1].<p>[1] <a href="https://en.wikipedia.org/wiki/The_Gates_of_Paradise" rel="nofollow">https://en.wikipedia.org/wiki/The_Gates_of_Paradise</a>