1849, noun of action from unify (v.). Unification Church was founded 1954.
Entries linking to unification
unify v.
c. 1500, "to make into one," from French unifier (14c.) or directly from Late Latin unificare "make one," from Latin uni- "one" (see uni-) + combining form of facere "to make" (from PIE root *dhe- "to set, put"). Related: Unified; unifying. Unified (field) theory in physics is recorded from 1935.
reunification n.
"action of or state of being reduced to unity," 1852; see re- + unification.