Question 1
Which happened earlier?
A
Mona Lisa painted by Leonardo da Vinci
✓ Earlier
B
Neil Armstrong walks on the Moon for the first time
Mona Lisa painted by Leonardo da Vinci (1 January 1503)
came before
Neil Armstrong walks on the Moon for the first time (21 July 1969)
Question 2
Which happened earlier?
A
Bell Rock Lighthouse begins operation
B
Louisiana Purchase completed
✓ Earlier
Louisiana Purchase completed (30 April 1803)
came before
Bell Rock Lighthouse begins operation (1 February 1811)