It depends on how you think of the political spectrum. If you consider it in regards to things like order, hierarchy, equality, the desire to preserve or return to some idealised social structure (one of the defining features of fascism is the idealisation of a mythologised historical greatness), the Fascism can only be understood as being at the very right end of the political spectrum.
Isn’t fascism more revolutionary than reactionary, if not in theory, then in practice?
Most the people in this thread aren't interested in giving this serious thought.
Most people have better things to do than to re-litigate settled issues for the convenience of certain ideological groups. "Was the Soviet Union far-left?" and "is fascism far-right?" are only questions because some people would feel more comfortable if all the baddies were on one side of the fence, specifically the opposite side of the fence.
As for the substance of the inquiry, obviously there is such a thing as a conservative revolution.
If the definition of conservatism is “opposing change” then is there really such thing as a conservative revolution?
That definition is often used by progressives who claim that conservatives have never been on the right side of history- after all, opposing change meant keeping slavery, prohibiting women from voting, and maintaining Jim Crow.
It isn't, though. "Those progressives" are wrong, as I have argued extensively over on the History board: were the leaders of the 1991 Soviet coup attempt conservatives? (Clearly not.)
Then what is the definition? Why is that other definition so pervasive?
It pervades because it is simplistic and for those who want easy answers to support their confirmation bias and identitarian politics, it is right up their alley and that is how you get "conservatives opposed everything good in history". Like all generalizations it suffers from the obvious problem of being wrong and an example of circular logic. "Conservatives oppose change, therefore all change was opposed by conservatives".
Status quo based conservatism has no basis in philosophical underpinnings as such. It can be applied anywhere, to anything to describe a resistance to change and reform. Communist hardliners opposed to Glasnost are thus "conservative" because they oppose Gorbachev's changes, but they are trying to preserve hard line Soviet Communism.
Once you accept some level of "philosophical basis" shall we say, then it gets much more complicated because contrary to the desperate indoctrination of the American Right in the last several decades to say "this is conservatism, everything else is liberalism or socialism and if you deviate you are a traitor who needs to be shot, hung, drawn and quartered", there is not one form of ideological conservatism to be had. However it is rather hard to enforce conformity of thought when you acknowledge these alternatives exist.
This is why Libertarians were ostracized for many years, why John McCain was labeled a "Rockefeller" by a random caller on C-span because he was "Pro-Choice". Of course those who aren't trying to preserve some sense of identity through negative integration and thus are capable of independent analysis and free thought will easily denote that Rockefeller and Goldwater were both pro-choice, abortion was not what divided them and John McCain was at least nominally pro-life. You also have select examples of Rockefeller Republicans like Richard Schweiker, who was anti-abortion and pro-gun.
Worse still and furthermore to facilitate the above group think, issue position themselves have become shoehorned as "principles" that cannot be deviated from lest you become "One of them ain't ya" followed by the hail of gun fire. Issue litmus tests like abortion, guns and the like take the place of generalized principles, values and guidelines for appropriate behavior. This is arguably how we got to 1/6, that and the years of compounded incompetence by the Republican establishment that created a monster that was beyond anyone's control.
To ask what the appropriate definition of conservatism is, you would need to specify which field of conservatism you had in mind.
In general terms I would say the most widely acceptable definition of Conservatism as a generalized concept would be the principles extolled by Edmund Burke in his "Reflections on the French Revolution".
- Maintaining traditional power structures, institutions and division of power
- Reform through legal and responsible means in a slow and methodical fashion
- Maintaining of societal stability and social hierarchy
- Opposition to radicalism
- Responsible Finance (short line about public debt but its there)
Under this definition, slave owners would count as conservatives during period of the country's founding through to about the 1840s/1850s, however once the politics of plantation owners radicalizes (key word) into the realm of hypocrisy, disrupting traditional power structures (states rights with Fugitive Slave Law and then Dred Scott) and ultimately of course, secession, they would thus cede the claim to the title of being conservatives, becoming reactionary, radicals or what have you.
Alternatively, a moderately anti-slavery position could very well fit within this conservative context and definition, with someone becoming alarmed by say Dred Scott and then secession to oppose the slave power and vote for Lincoln (who was more moderate on opposing slavery than his Republican opponents). Leading up to and during the Civil War, this arguably is where a lot of North and non-radical Republican sentiment lay and it was to this crowd that Lincoln was trying to coax towards accepting and embracing abolition "for the good of the war effort and the good of the country" via the amendment process (Reform through a legal process, to restore/maintain societal stability/traditional institutions).
For a more recent example, the supporters of Donald Trump, would cede claim to the title of conservatism the minute they broke the law and entered the Capitol building. The reason being is conservatism is built on responsible action, guided by reason and conducted through legal means to achieve stability and thwart radicalism. Conservatives cannot be radicals or engage in extra legal actions to try and force an outcome based on flawed and false information.
A good way to think about this is that while conservatism is on the right, not everyone on the right is a conservative. It is possible for conservatives to radicalize and we have seen that happen a number of times. Just because they radicalize to the point of abandoning core tenets like rule of law and opposition to radicals, doesn't mean they are no longer on the right, it just means that they have abandoned the core tenets of conservatism.