Question: what historical events happened in the month of may?
Answer: 1st. 1st : 1931 The Empire State Building in New York Officially opens. ... 
2nd. 2nd : 1930 Hoover Says Stock Market Crash Temporary Setback. ... 
3rd. 3rd : 1926 General Strike is called for by the (TUC) in UK. ... 
4th. 4th : 1886 Haymarket Square Riot Chicago. ... 
5th. 5th : ... 
6th. 6th : ... 
7th. 7th : ... 
8th. 8th :