Which happened earlier: New Wembley Stadium opens or Old Trafford opens?

Question 1

Which happened earlier?

A New Wembley Stadium opens

B Old Trafford opens ✓ Earlier

Old Trafford opens (19 February 1910) came before New Wembley Stadium opens (9 March 2007)

Question 2

Which happened earlier?

A Camp Nou opens ✓ Earlier

B Allianz Arena opens

Camp Nou opens (24 September 1957) came before Allianz Arena opens (30 May 2005)

Question 3

Which happened earlier?

A Tottenham Hotspur Stadium opens

B Emirates Stadium opens ✓ Earlier

Emirates Stadium opens (22 July 2006) came before Tottenham Hotspur Stadium opens (3 April 2019)

Earlier #119