This post first appeared on the Aspects of History blog

Why are we arguing again about appeasement, the Munich crisis and Neville Chamberlain, UK prime minister from 1937-40?

The immediate hook is the film of the Robert Harris novel, Munich: The edge of war – and its obvious agenda to rescue Chamberlain for history.

You will remember, especially if you have seen the film – which has been available on Netflix from last weekend – that Chamberlain’s 1938 Munich agreement handed over the northern region and defences of Czechoslovakia to Hitler without firing a shot.

The film itself is beautifully acted by an Anglo-German cast, and there is a brilliant performance by Jeremy Irons as an avuncular, inspirational Chamberlain.

I’m sure than Chamberlain was inspirational, in his way. But I am far less sure that we are right to regard Munich as tribute to what the historian AJP Taylor called “a triumph for all was best and most enlightened in British life”.

I have been fascinated by Munich because I have a family connection to those events – my great-aunt, Shiela Grant-Duff was Observer correspondent in Prague in the late 1930s and was engaged at the time in an increasingly desperate debate with Adam von Trott – who features in the film as the original of Paul von Hartmann, the anti-Nazi co-hero.

The other reason I have an interest is that I wrote a book about Munich (Munich 1938), with the context included – especially the plot to depose Hitler by his own generals the moment he had ordered an advance into Czechoslovakia, which Chamberlain so fatally undermined.

Two arguments have emerged that imply some kind of rethink might be necessary. First, that Hitler bitterly regretted not going to war in 1938 – though, as we saw in the film, he probably would have been deposed and shot if he had.

Second, was Chamberlain’s justification for getting Hitler to sign his paper promising never to go to war with Britain again: that the whole world would then see that he had broken his word.

But Chamberlain explained this to Lord Dunglass, his young PPS (later Alec Douglas-Home) on the plane home – not, as the film shows, to justify himself to Hugh Legat beforehand. It was actually a justification after the fact.

The problem was not that Chamberlain took no notice of the German army plot to depose Hitler. He never actually got that kind of approach in Munich. Partly because Adam von Trott was still living in China and still involved in his passionate debate with my great-aunt, which she described in her book The Parting of Ways.

Nor could he have done so at that stage anyway, as Irons-as-Chamberlain explains.

Yet Foreign Office officials in London and Paris had in fact already met representatives of the opposition, some months before. There was also a feeling among the British that they could not trust people who would betray their own government.

It wasn’t until 1943, when Dietrich Bonheoffer met George Bell, the bishop of Chichester, secretly in Stockholm, that the opposition took the British into their confidence by listing some of the conspirators – so many of the German army top brass. But even then, Anthony Eden would not, or could not, row back from the British position that they would insist on unconditional surrender, come what may.

The UK government definitely let down the German opposition to Hitler, and not just in 1938. But the real problem was what was done to Czechoslovakia in Munich.

The film makes it clear that the Czechs were not included in the four-partite conference. That was unfortunately only half true. In fact, there were Czech government representatives in the same building, but virtually under house arrest.

After the signing ceremony, Chamberlain and the French PM Daladier went to browbeat them into submission. “Can we not at least be heard before we are judged?” asked the Czech diplomat Hubert Masarik. The British and French shook their heads sadly.

The real problem with Munich was whether it is ever right to guarantee peace by forcing a smaller nation to accept invasion without fighting back.

It is true that war was avoided for a year – which gave both sides the chance to re-arm – but the Czechs had a sophisticated army which gave up without a fight, and 400 of their tanks (plus the factories that made them) became part of the Wehrmacht. When the British were forced back to Dunkirk 18 months later, they were pursued mainly by former Czech armour.

It wasn’t really the weakness of Czechoslovakia but its strength that so scared Chamberlain and his colleagues – the fear that, if the Czechs defended themselves, then we and the French would be drawn in (and the Russians).

That is why, after the agreement was signed, the British and French ambassadors to Prague roused President Beneš from his sleep to tell him that, if war broke out, not only would neither we nor the French intervene, but they would hold the Czechs responsible for any catastrophe which followed.

The following day, Beneš capitulated.

Ironically, Daladier recognised the truth – which is why he called his cheering Parisian crowd ‘morons’. Chamberlain was appearing on the balcony of Buckingham Palace to acknowledge his own cheers at the same time.

But why are we having this debate now? (see what I wrote in Prospect, for example). Strangely, the divisions are along traditional lines, with the Timesthe very heart of appeasement in the 1930s – backing Chamberlain now.

Luckily, I’m not the only one defending the Churchillian version of events – the Financial Times has now weighed in against the appeasers.

The divisions in UK politics were resolved after Dunkirk by the sacking of most of the senior positions in the nation. And as Labour leader a generation later, Michael Foot opened his 1983 election campaign by accusing the Tories of still being the ‘guilty men of Munich’, a faint memory of his Guilty Men book about Munich in 1940.

Perhaps the establishment has yet to get over their wounds from 1940 – and they want traditional Conservatism back. Just as the current standard-bearer seems to be in difficulties.

Was it really a coincidence that, the day before the film came out, David Davis used the same words to Boris Johnson that Leopold Amery did to Chamberlain in the no-confidence debate after the Norwegian campaign?