I tend to agree on those two "millesimes", even if I would add 1973 with Raw Power and the 1st NY Dolls album. 1973, a raw and wild year announcing the end of f*** prog rock and the explosion of US punk! The Ramones would start just 1 year later (see the 1974 video on Youtube)...
Gringo Starr said:
1977
Marquee Moon - Television
Never Mind the Bullocks - Sex Pistols
The Clash - The Clash
My Aim Is True - Elvis Costello
Rocket To Russia - Ramones
Lust For Life - Iggy Pop
Suicide - Suicide
The Idiot - Iggy Pop
Damned Damned Damned - The Damned
Leave Home - Ramones
In The City - The Jam
Blank Generation - Richard Hell & The Voidoids
(I'm) Stranded - The Saints
Young Loud and Snotty - The Dead Boys
Germacide - The Germs