Actually this is incorrect. There was an occasion where the Armenians managed to lock the Orthodox out of the Holy Sepulcher, and the Armenian patriarch entered to await the descent of the Holy Fire. However, the Holy Fire did in fact descend outside the Church jumping out of one of the door pillars to light the candles of the Orthodox patriarch. The scar of this event (which is not at all recent btw - I forget the year) can still be seen on the left lintel of the door into the complex where the Holy Sepulcher and the Church of the Resurrection are.
The Armenians tell an equal and opposite tale. Four times every 532 years Armenian old-calendar Easter differs from Greek old-calendar Easter. On one such occasion, according to Kirakos Ganjakets'i:
[In the year 640 of the Armenian Era (1191)] because of this argument between Armenians and Georgians, Queen T'amar and sparapet Zak'are sent some one of the great Georgian princes and likewise one of the Armenians to Jerusalem prior to Easter, to learn the truth. The verdict was to be given by the radiant lamp on the Holy Sepulcher of Christ which, they say, at the request of Gregory Illuminator of the Armenians (with no assist from human hands or tangible fire), is lit up by the command of God each Easter. It happens to this day.
However, the overseers of the city, who were Tachiks, asked the Christians: "When is your Easter?" Those who were Greek and other denominations replied: "This Sunday." But the Armenians said: "Not this Sunday, next Sunday." Now the Tachik overseer was a wise man and so ordered all the lights in that temple extinguished, the doors closed and sealed with his ring, and he forbade anyone to enter, in order to determine which group was right.
Now when the day arrived and had passed into evening, they awaited the illumination of the lamp. When it did not light up, the prince ordered all except the Armenians to be insultingly removed and severely beaten as ignorant and false people. When a week passed and the next Sunday (which the Armenians had said was Easter) arrived, while they were praying at the tenth hour, [divine] inspiration came upon them and at once the lamp lit up without human hands touching it. The Armenians were jubilant. Once more the Tachiks beat the others, and everyone praised the wisdom and faith of the Armenians while they derided and jeered at the Greeks in all the cities under Tachik rule. The men who had been sent by the Georgian monarch and by the general observed this, returned and related what they had seen. The great general Zak'are rejoiced as did all the Armenians in the [Georgian] army. And the true faith of the Armenians was strengthened further.
The next disagreement between the two forms of the old calendar will be in 2071.
Edited by Timothy Phillips, 28 February 2016 - 03:32 PM.