It depends on what you take to be the beginning and what the end. It lasted two years if you understand it as from the time it was revealed to the time Nixon resigned. It lasted 5 years if you take it from the time Nixon began doing it to the time he resigned.
The New General Catalogue of Nebulae and Clusters of Stars (abbreviated as NGC) is a catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888.
Well one, I learned that you shouldn't judge someone based on their race, ethnicity, and social structure. Also, your race, ethnicity, and social structure makes you who you are. Hope I helped!! :)
