Which happened earlier: Declaration of Independence adopted or First traffic signal installed in London?

Question 1

Which happened earlier?

A Declaration of Independence adopted ✓ Earlier

B First traffic signal installed in London

Declaration of Independence adopted (4 July 1776) came before First traffic signal installed in London (9 December 1868)

Question 2

Which happened earlier?

A Penicillin discovered ✓ Earlier

B Edward VIII abdicates

Penicillin discovered (28 September 1928) came before Edward VIII abdicates (11 December 1936)

Question 3

Which happened earlier?

A The Sun launched

B Walmart founded ✓ Earlier

Walmart founded (2 July 1962) came before The Sun launched (15 November 1969)

Earlier #178