Question 1
Which happened earlier?
A
Chrysler Building opens in New York
✓ Earlier
B
Burj Khalifa opens (world's tallest building)
Chrysler Building opens in New York (27 May 1930)
came before
Burj Khalifa opens (world's tallest building) (4 January 2010)
Question 2
Which happened earlier?
A
Brooklyn Bridge opens
✓ Earlier
B
Golden Gate Bridge opens
Brooklyn Bridge opens (24 May 1883)
came before
Golden Gate Bridge opens (27 May 1937)
Question 3
Which happened earlier?
A
Tower Bridge opens in London
✓ Earlier
B
Sydney Harbour Bridge opens
Tower Bridge opens in London (30 June 1894)
came before
Sydney Harbour Bridge opens (19 March 1932)