1) What the town/city is not on the River Thames? Aldershot 2) In which year was the Thames Barrier officially opened (or should that be closed? 1984 3) Land levels have changed since ancient times, and the Thames was once a tributary of which European river? Rhine 4) Which species of mammal made nationwide headlines after swimming up the Thames as far as Chelsea in 2006? Bottle-nosed whale 5) In which year did the Thames completely freeze over in central London for the final time, allowing a 'frost fair' to take place on its frozen surface? 1814
2) In which year was the Thames Barrier officially opened (or should that be closed? 1984
3) Land levels have changed since ancient times, and the Thames was once a tributary of which European river? Rhine
4) Which species of mammal made nationwide headlines after swimming up the Thames as far as Chelsea in 2006? Bottle-nosed whale
5) In which year did the Thames completely freeze over in central London for the final time, allowing a 'frost fair' to take place on its frozen surface? 1814