Despite torrential rain and floods in many parts of the country, English voters are slogging to the polls in order to cast their vote in what many observers are claiming is the "biggest day in the history of the country."

The Brexit vote is expected to be very close, which will only encourage the losing side to try again.

Daily Mail:

Millions of Britons have defied the wet weather to queue in torrential rain and even wade through deep water to vote in today's historic EU referendum as a final poll revealed the result is on a knife edge.

Several polling stations were closed in London because of floods as Britain was finally having its say on whether to stay in the EU or cut our ties with Brussels after a gruelling 10-week campaign.

Thundery showers caused chaos across London and the south of England overnight and could potentially push the result towards a Brexit because polling data is clear that Leave voters are less likely to be put off by the bad weather than Remain voters.

Today long queues snaked down the road from many polling stations as voters rushed to have their say when the polls opened at 7am,

David Cameron voted in Westminster with his wife Samantha this morning with the final EU referendum polls making the contest too close to call.

An exclusive survey for the Daily Mail and ITV News, gave the Remain camp a lead of six points, by 48 per cent to 42 per cent – but 11 per cent of electors said they were still undecided. 

The In camp are ahead of Leave by 52 per cent to 48 per cent, according to an Ipsos Mori survey for the Evening Standard this afternoon. To add further uncertainty to the outcome, 12 per cent of those polled said they could switch sides as they head for the polling booth.

But according to an online poll by Populus the Remain campaign is at 55 per cent compared to Leave on 45 per cent.

Today's EU vote is a historic day for Britain because it is only the third nationwide referendum ever to take place in the UK. A record 46.5million are registered to vote. 

Results probably won't be known until tomorrow.  Meanwhile, markets are expecting "Remain" to come out on top, as it's been a relatively quiet day on the exchanges.

That will almost certainly change if "Leave" pulls off the upset, although most of the dire predictions of economic calamity have been thoroughly debunked.  Still, there will no doubt be disruptions and dislocations over the next few months as Great Britain extricates its economy from Brussels's grip.

Predictions about the future are useless, but there is an expectation that opposition parties in other nations who want their own EU exit will be buoyed by a "Leave" vote in Great Britain.  They may not make it all the way to a referendum, as was accomplished in Great Britain, but their efforts will certainly roil the EU and may even force some reforms.

One thing is certain: the EU will never be the same.