It was this date that Denys Finch Hatton and his servant died in the crash of his Gipsy Moth.
He lived precisely as he wished and, I believe, would have only slightly preferred to have passed beneath the tooth and claw of a lion.
It was a tremendous blow to Karen Blixen but her fatalism also took it as a confirmation - she knew she would lose him one day. I imagine she found it easier to leave Africa after...
If you'd like to learn more about the man, this is a very good rendering:
Silence Will Speak (1977) by Errol Trzebinski