The first personal computer was invented in 1977
In the 1970s the first major cars or transportation was made by overseas continents such as Asia and Europe.
The first cellular mobile phone was invented by Bell Labs and licensed by AT&T in 1977.
cable television - the first pay/premium television channel, Home Box Office (HBO), was founded in 1972 meaning trailers on tv

American 

1970's

Star wars EP 4 ( George Lucas )- $11 million - $775.4 million

Jaws (Steven Spielberg ) - $9 million - $470.7 million 

British

1970
- The railway children - £500,000- 

1980

- the awaking

1980's

E.T
Star wars EP 6
Ghostbusters
Back to the future