"Well," she said, throwing herself off the window-seat with a demi-Summersault, which landed her in the middle of the room, "here I am.
"Wives and Widows; or The Broken Life"
Ann S. Stephens
My lord Yvain gave him such a mighty blow that Kay took a Summersault from out of his saddle and struck with his helmet on the ground.
"Four Arthurian Romances "Erec et Enide", "Cliges", "Yvain", and "Lancelot""
Chretien DeTroyes
He him gives a small blow by behind, and the instant after you shall see the frog turn in the air like a grease-biscuit, make one Summersault, sometimes two, when she was well started, and refall upon his feet like a cat.
"The Man That Corrupted Hadleyburg and Other Stories"
Mark Twain (Samuel Clemens) Last Updated: February 18, 2009