Lateran Council, First.
A Council summoned by Calixtus II in 1123. It is notable as being the first Œcumenical Council whose decrees were issued in the name of the Pope, and not in that of the Council.
Lateran Council, Second.
An Œcumenical Council summoned by Innocent II in 1139, at which the marriage of the priesthood was forbidden.
Lateran Council, Fourth.
A Council summoned to meet in Rome by Innocent III, in 1215, to consider the most effectual means of suppressing heresy. It declared that any prince protecting heretics or permitting the dissemination of heretical doctrines in his dominions should be excommunicated. It further established the Inquisition, to deal with heretics individually.
Lateran Council, Fifth.
An Œcumenical Council summoned by Julius II, in 1512, at which the acts of the Council of Pisa were condemned.
Latin Union.
A confederation, for monetary purposes, of France, Italy, Switzerland and Belgium, formed in 1865. It provided for the establishment of a uniform and interchangeable coinage, on a bimetallic basis, for the countries concerned. Greece joined the union in 1868. Belgium left it in 1885.