ERA 1972-79 This was a period where it was nearly ratified, but progressed slowed down and in 1979 it was obvious the 3/4 majority was unlikely (1 jan 1972 ano – 1 jan 1979 ano)
Adicionado na linha do tempo:
Data:
1 jan 1972 ano
1 jan 1979 ano
~ 7 years