Passage: In addition to these councils there have been a number of other significant councils meant to further define the Orthodox position. They are the Synods of Constantinople, in 1484, 1583, 1755, 1819, and 1872, the Synod of Jassy  in 1642, and the Pan-Orthodox Synod of Jerusalem in 1672. Another council convened in June 2016 to discuss many modern phenomena including Modernism, other Christian confessions, Orthodoxy's relation with other religions and fasting disciplines.
How many councils did the Synods of Constantinople have? How many different years were there Synods of Constantinople? How many significant synods occured between 1484 and 1672? How many things was the most recent council convened to discuss? How many years after the Synod of Jassy was the Pan-Orthodox Synod of Jerusalem? How many years after the first Synods of Constantinople met did another Council convene to discuss many modern phenomena? How many years apart are the Synod of Jassy and the Pan-Orthodox Synod of Jerusalem? How many years apart are the first and last Synods of Constantinople? How many years apart were the Synod of Jassy and the Pan-Orthodox Synod of Jerusalem? How many years did the Synods of Constantinople occur in? How many years were between the first and last council that defined the Orthodox position? How many years were between the first and second time the Synods of Constantinople met? What happened first: the first Synod of Constantinople or the Synod of Jassy? What happened second: the first Synod of Constantinople or the Synod of Jassy? What were the things the most recent council was convened to discuss? Which Synod convened more, Synods of Constantinople or Synod of Jassy? Which council convened first, the Synod of Jassy or the Pan-Orthodox Synod of Jerusalem? Which two Synods convened the same amount? when was the first council convened?