In another thread (about the Oera Linda Book) I was looking for something happening around 2193 BC. But I found something else, and I do hope those who know about geology and astronomy can explain this. What happened in 2345 BC.? Australian astronomer G.F. Dodwell has analyzed the observational records com-piled for the many gnomons erected all over the civilized world during the past 4,000 years. Gnomons are vertical markers that cast shadows from which the local latitudes can be computed. (A