Israeli archaeologists have discovered the first ever Arabic Crusader inscription, they announced on Monday.

The epigraphic evidence emerged from a 800-year-old inscribed marble slab which originally sat in Jaffa’s city wall.

Bearing the name of the “Holy Roman Emperor” Frederick II, and the date “1229 of the Incarnation of our Lord Jesus the Messiah,” the inscription was found broken on the top, right, left and bottom.

“The script is peculiar but once the slab was reassembled, it was deciphered with little effort,” Moshe Sharon, of Hebrew University, told Discovery News.

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