In the glory of the Father, the Son and the Holy Spirit.
Which church is the true must many think...
Well. Eastern orthodox is the only truth church. Why? Because it has held the truth unchanged. It has it's base on the Bible and Tradition. The Bible remains unchanged while the Tradition grows, expands and changes only towards the good.
Do not confuse Eastern orthodox with Oriental orthodox . Oriental orthodox are liars. Why? A council was made under the guidance of te Holy spirit. They later turned it down. Has it not happen at the Econoclasm may some say? That would mean Eastern Orthodox are liars? No. Because the council was heretic.
The Catholic church has broken tradition. The Filioque was added later proving it is false. The Nicene creed under the guidance of the Holy Spirit wrote the prayer. The Filioque was added later by many west fathers. How can they be the truth when they change the truth for God? Let's not start to talk about the pope who says he can't sin. Only Jesus Christ achieved that. Even Theotokos had one sin.
Protestants? Huh... Yeah. If they are the truth then that means God elft the world without a true church for many centuries. That can't be true as Christ said '' And for sure I am with you all the days until the end of the age. Amen.''- Matthew 28,10
As for others like Jehovan witnesses or Mormons they created an explanation to the Bible who cannot be supported and was amde by people not udner the guidance of the Holy spirit. And again the world would have been left without a church for centuries.
Anyway the most serious proof is the Holy light/fire. It appears only to Eastern Orthodox, non to oriental, non to catholic. Well, why God would let us his tomb if we were not the true church?
There are yet many schisms that happened inside the Eastern Orthodox. Watch the old calderists. Especially if you are not from the Balkans. They have everything the same expect that they are not in communion with the rest calling us heretics because of the new calendar change. I have seen many russians going to their church because they have the same calendar but watch. They are heretics. There are also the Old belivers who are schismatic too and some other.
For more information visit https://en.wikipedia.org/wiki/Eastern_Othodox_Church
Now here is the list of the official Eastern Orthodox.
Some Orthodox do not acknowledge the following Church as autonomous & autocephalous:
Orthodox Church in America (Archbishop of Washington, Metropolitan of All America and Canada) [Autocephaly granted in 1970 from its mother church, the Russian Orthodox Church. It is in full communion with all canonical Orthodox Churches and de facto, fully recognized by all. The Ecumenical Patriarchate accepts the OCA, but disputes the Russian Orthodox Church's action]
If you are not baptised you now know who is the true church. Go and baptise to one of the 13-15 churches above.