3 September 1931 (+) is born in Chelsea, United States.

29 December 1943 (x) is charged with burglary and committed to the Lyman School for Boys in Westborough, United States.

5 December 1953 (x) marries Irmgard Beck in Boston, United States.

5 January 1955 (x) is arrested for molesting a 9-year-old girl in Boston, United States.

17 March 1960 (x) is arrested as 'The Measuring Man' in Boston, United States.

14 June 1962 (-) sexually assaulted and strangled Anna Slesers in Boston, United States.

28 June 1962 (-) killed by heart failure in the course of being strangled Mary Mullen in Boston, United States.

30 June 1962 (-) sexually assaulted and strangled Nina Nichols in Lynn, United States.

30 June 1962 (-) sexually assaulted and strangled Helen Blake in Lynn, Belgium.

19 August 1962 (-) sexually assaulted and strangled Ida Irga in Boston, United States.

20 August 1962 (-) sexually assaulted and strangled Jane Sullivan in Boston, United States.

5 December 1962 (-) sexually assaulted and strangled Sophie Clark in Boston, United States.

31 December 1962 (-) raped and strangled Patricia Bissette in Boston, United States.

18 February 1963 (x) attacked and raped Gertrude Gruen in Boston, United States.

9 March 1963 (-) raped, stabbed, strangled and fatally bludgeoned with a pipe Mary Brown in Lawrence, United States.

6 May 1963 (-) stabbed to death Beverly Samans in Cambridge, United States.

8 September 1963 (-) strangled and grossly exposed Evelyn Corbin in Salem, United States.

23 November 1963 (-) raped and strangled Joann Graff in Lawrence, United States.

4 January 1964 (-) raped with a broomstick and strangled Mary Sullivan in Boston, United States.

27 October 1964 (x) An unidentified girl is raped and abused by DeSalvo in Boston, United States.

5 November 1964 (x) is arrested in Boston, United States.

24 February 1967 (x) escapes in Bridgewater, United States.

25 November 1973 (-) is stabbed through the heart in the prison infirmary by Robert Wilson in Walpole, United States.

19 July 2013 (x) Suffolk County DA Daniel F. Conley, Massachusetts Attorney General Martha Coakley and Boston Police Commissioner Edward F. Davis announced the DNA test results proving that DeSalvo was the source of seminal fluid recovered at the scene of 19-year-old Mary Sullivan's 1964 murder in Boston, United States.