Which happened earlier: First PlayStation released or First Xbox released?

Question 1

Which happened earlier?

A First PlayStation released ✓ Earlier

B First Xbox released

First PlayStation released (3 December 1994) came before First Xbox released (15 November 2001)

Question 2

Which happened earlier?

A First Harry Potter book published ✓ Earlier

B Wikipedia launches

First Harry Potter book published (26 June 1997) came before Wikipedia launches (15 January 2001)

Question 3

Which happened earlier?

A Airbnb founded ✓ Earlier

B Instagram launches

Airbnb founded (11 August 2008) came before Instagram launches (6 October 2010)

Earlier #9