Archaeologica.org

He should have used a boat.

Graham Boanas, a Hull man, is believed to be the first man to succeed in wading across the Humber since ancient Roman times. The feat, in August 2005, was attempted to raise cash and awareness for the medical research charity, DebRA. He started his trek on the north bank at Boothferry; four hours later, he emerged on the South bank at Whitton. [2] He replicated this achievement on the television programme Top Gear (Series 10 Episode 6) when he raced James May (who is driving a Alfa Romeo 159) across the Humber without using the Humber Bridge.[

first man to succeed in wading across the Humber since ancient Roman times.

In fact the River was the boundary between the Saxons and the Danes for years as it was so difficult to cross. But of no relevance as the river has changed its course at least once in the Middle ages, leaving at least one port high and dry.
Apart from demonstrating there are more retards than just those who live in Holland I seem to be missing the point as there is still no shred of evidence of shallow water to the Andamans or Oz in historical times.
Nuff said!

Roy.

I wonder how many "didn't succeed?"

Well no one has attempted it since Min.
The river was originally known as the Hull.
A major storm in the middle ages took a lot of the coast away and the river changed its course virtually over night, the result was the new port of Hull which used the old river bed as a moat.
The estuary is wide and flat and is only navigable due to constant dredging operations else it would probably have change its course again.
It was deep at one time as it formed the barrier between Saxon kingdoms and Danish ones, in the time of Doggerland it vanished pretty much into a massive area of marsh land.

Roy.