Mole Day is celebrated among chemists on October 23, between 6:02 a.m. and 6:02 p.m. The time and date are derived from Avogadro's number, which is 6.02 × 1023, defining the number of molecules in a mole, a basic chemistry unit.
... in 1991 to further cooperation.
International organizations of Reformed churches
International Conference of Reformed Churches[?]
Reformed Ecumenica ...