Update:
The question has now been completely deleted. Can anybody please explain who did this and why?
This question has been closed as too broad by the community.
The only comment regarding the closing was
List questions are, by their very nature, too broad
This comment was addressed by two users (Disclosure: one of them is me) to be answerable as it is, and that it should be re-opened.
However, in the comments, some more objections have been put forward, which I try to summarize fairly in the following as well as giving their respective counter-argument by me.
if these lists already exist then we don't really need to duplicate them on this site
This argument could be applied to anything on this site.
These sort of "big-list" questions don't really fit all that well in the format in my opinion
The list isn't a big list at all; as the question is sufficiently specific, "democratically elected" and "removed from power" , it boils down to about 5-6 cases where successful coups removed fully democratic governments, and 5-6 cases where successful coups removed initially democratically elected heads of state which were moving toward more autocratic regimes, which technically would also fall under the category of the OP.
The question might be reworded to ask for sources of lists
It has been reworded by the OP accounting for that.
but it seems to be a history question anyway
Ok, I admit that's a valid point as the question is in the intersection between contemporary history and international relations. To accommodate for that fact, the question has been edited by me to restrict to cases after WWII. As most of these cases belong to the Cold War period, for a orientation I've compared the affiliations of first 20 members (alphabetically) of the Editorial board of the Journal of Cold War Studies, to find that 50% are in Political sciences, 30% in History, and 20% have interdisciplinary chairs. So this would suggest that it is legitimate to have this question in Politics.SE
as long as we […] accept any particular definition of "democratically".
There are indeed cases where the question is open whether the elections that brought the person into power were indeed sufficiently democratic or whether the head of state subsequently tried to change the constitution etc. However, this is not problematic to address, a sentence in each case is sufficient, e.g. "the election was boycotted by the opposition". This requires of course some research, but I'm ok with that. Also, objections to a certain framing of an answer could be raised in the comments, and the answer can then be improved (this is how this site is supposed to work, see also the Tour page or the third bullet point under "When should I edit posts" here)
I would say a list of historical military or quasi-military actions is not what this site is expected to provide.
This is not about a historical list (see point above) of plain military or intelligence actions, this is about changes in governments facilitated by another government. This results in huge implications for the politics of the state that became a victim to such a regime change as well as for the international relations between states. Just compare this the the impact of such history-changing events as the failed Bay-of-Pigs-invasion, or the Soviet crackdown of the Prag spring uprisings. Google "9/11 Chile" if you want to find out how significant such events were.
A short rebuttal of this point is the following excerpt from On-topic Help page: "This means, the following items are on topic: 1. Matters of Policy:" Foreign policy is a subset of policy, therefore this is clearly on-topic.
After a suggestion in the comments to take this discussion to Meta, I've done so hereby. As of now, all the questions raised in the comments have been addressed, so that I suggest that this question should be re-opened.
I've flagged the question already to be re-opened by a moderator, but the moderators answer is quite disappointing, as he or she shifts responsibility back to the community. Here the decline-message:
declined - I'm sorry, but I am hesitant to unilaterally reopen a question which was closed by community vote unless it was edited to address the concerns the community mentioned. Ask community members to reopen.
The question was edited to address the valid points raised by the community, unfortunately the moderator still declined the flag, which can not be objected.
So I kindly ask the community hereby to either
1) provide a substantiated argument why this question should remain closed, questioned
2) give suggestions how the question could be improved by editing to better fit in here,
3) or to please vote to re-open it.
the moderator still declined the flag
-> Note that no moderators were involved. The reopen queue is done by the community: politics.stackexchange.com/review/reopen/12820