Question: what historical events happened in the month of april?
Answer: 1st. 1st : 1918 Royal Air force is Founded. ...  2nd. 2nd : 1916 - 1918 World War I Battle Of The Somme. ...  3rd. 3rd : 1860 Pony Express Service Starts. ...  4th. 4th : 1906 Mount Vesuvius erupts. ...  5th. 5th : ...  6th. 6th : ...  7th. 7th : ...  8th. 8th :