The Stewart expedition was a "cursed" expedition in 1931, led by Sheldon Stewart, where several Egyptian artifacts were removed from the Temple of Osiris in Egypt to be transported back to the United States via an ocean crossing. Several items were stowed in the crates, along with the Osiris jar and Isis jar. During the return voyage the ship sank off the coast of New Jersey and these valuables fell into the bottom of the ocean.

About seventy years later the wreckage was found and pillaged, completing the voyage and returning the items to the University of Chicago Museum in the lab of Dr. David Jordan. The Isis jar was cracked during transit, breaking its seal, but the Osiris jar was still maintained. The Egyptian government ordered the items returned to their possession in the precise condition in which they were located, so little experimentation could be done other than visual analysis.

Both jars contained the forms of the respective Goa'uld deities. Osiris, still alive, took the body of research assistant Dr. Sarah Gardner as his host, then murdered Jordan and several of Gardner's co-workers. (SG1: "The Curse")

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