Andry, just do a google for the legality of Turkeys intervention and see for yourself if the international community accept it as legal or illegal.
Here you go from the most official institution of the international community:
S/RES/354 (1974)
20 July 1974
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RESOLUTION 353 (1974)
Adopted by the Security Council at its 1771st meeting,
on 20 July 1974
The Security Council,
Having considered the report of the Secretary-General, at its 1779th meeting, about the recent developments in Cyprus,
Having heard the statement of the President of the Republic of Cyprus and the statements of the representatives of Cyprus, Turkey, Greece and other Member States,
Noting also from the report the conditions prevailing in the island,
Deeply deploring the outbreak of violence and the continuing bloodshed,
Gravely concerned about the situation which has led to a serious threat to international peace and security, and which has created a most explosive situation in the whole Eastern Mediterranean area,
Equally concerned about the necessity to restore the constitutional structure of the Republic of Cyprus, established and guaranteed by international agreements,
Conscious of its primary responsibility for the maintenance of international peace and security in accordance with Article 24 of the Charter of the United Nations,
1.Calls upon all States to respect the sovereignty, independence and territorial integrity of Cyprus.
2.Calls upon all parties to the present fighting as a first step to cease all firing and requests all States to exercise the utmost restraint and to refrain from any action which might further aggravate the situation;
3.Demands an immediate end to foreign military intervention in the Republic of Cyprus that is in contravention of the provisions of paragraph 1 above;
4. Requests the withdrawal without delay from the Republic of Cyprus of foreign military personnel present otherwise than under the authority of international agreements, including those whose withdrawal was requested by the President of the Republic of Cyprus, Archbishop Makarios, in his letter of 2 July 1974;
5. Calls upon Greece, Turkey and the United Kingdom of Great Britain and Northern Ireland to enter into negotiations without delay for the restoration of peace in the area and constitutional government of Cyprus and to keep the Secretary-General informed;
6. Calls upon all parties to co-operate fully with the United Nations Peace-keeping Force in Cyprus to enable it to carry out its mandate;
7. Decides to keep the situation under constant review and asks the Secretary-General to report as appropriate with a view to adopting further measures in order to ensure that peaceful conditions are restored as soon as possible.
Adopted unanimously at the 1781st meeting.
Greece is of course responsible for her actions. But the actions of Greece can not be an excuse for the actions of Turkey. It is like telling us that because Bin Laden hit the USA on 9/11 which resulted to some thousands deaths, that then somebody else had also the right to hit USA and cause to them millions of casulaties.
Cyprus fall victim of both Grecce and Turkey, with the difference that Greece caused to Cyprus a problem only for some days, while Turkey continues to insist on illegalities and crimes with an excuse that expired 32 years ago!
Just like the fascist regime that ruled Greece at that time has fallen and since then Greece respects international law and the sovereignty of Cyprus, it is time that the fascist military regime that continues to rule Turkey also to fall and finally Turkey to show some respect to the independence and sovereignty of the Republic of Cyprus.