Which happened earlier: Fall of the Berlin Wall or Launch of the iPhone?

Question 1

Which happened earlier?

A Fall of the Berlin Wall ✓ Earlier

B Launch of the iPhone

Fall of the Berlin Wall (9 November 1989) came before Launch of the iPhone (29 June 2007)

Question 2

Which happened earlier?

A First Harry Potter book published

B First PlayStation released ✓ Earlier

First PlayStation released (3 December 1994) came before First Harry Potter book published (26 June 1997)

Question 3

Which happened earlier?

A Google founded

B Netflix founded ✓ Earlier

Netflix founded (29 August 1997) came before Google founded (4 September 1998)

Earlier #1