Which happened earlier: Preston Bypass opens or Old Trafford opens?

Question 1

Which happened earlier?

A Preston Bypass opens

B Old Trafford opens ✓ Earlier

Old Trafford opens (19 February 1910) came before Preston Bypass opens (5 December 1958)

Question 2

Which happened earlier?

A Psycho premieres

B Gatwick Airport opens ✓ Earlier

Gatwick Airport opens (9 June 1958) came before Psycho premieres (16 June 1960)

Question 3

Which happened earlier?

A First quartz clock demonstrated ✓ Earlier

B Chester Zoo opens

First quartz clock demonstrated (1 October 1927) came before Chester Zoo opens (10 June 1934)

Earlier #189