Big Apple's terrorist history

16 September 1920: In what remains the city's worst terrorist assault, 40 die and hundreds are injured in a bomb blast at Broad and Wall Streets. Authorities blame 'anarchists'.

6 May 1937: The zeppelin Hindenburg explodes at Lakehurst naval base, killing 35 of the 97 aboard. Sabotage is suspected, but no cause is established.

1951-56: George Metesky, an ex-Con Ed employee with a grudge against the company, sets off a series of blasts at Grand Central Station, Radio City and other institutions. Known as 'The Mad Bomber', he spends 16 years in a hospital for the criminally insane.

6 March 1970: Three Weather Underground revolutionaries accidentally blow themselves up in their Greenwich Village townhouse while making bombs.

27 January 1972: One woman dies and nine other people are injured in a blast that wrecks the offices of impresario Sol Hurok, who has been booking Soviet artists. A caller claiming to represent Soviet Jews claims responsibility.

24 January 1975: Four die in a blast at the historic Fraunces Tavern, one of 49 bombings attributed to the Puerto Rican nationalist group FALN between 1974 and 1977 in New York (along with scores more in three other cities).

29 December 1975: Eleven die and more than 50 are injured in a huge blast at La Guardia Airport. Palestinian, Puerto Rican and Croatian groups are suspected.

11 September 1976: A bomb left in a Grand Central locker kills a policeman dismantling it. Croatians who subsequently hijack a jetliner claim responsibilty.

3 June 1980: Croatian 'freedom fighters' bomb the museum at the Statue of Liberty.

31 December 1982: Four blasts inside 80 minutes damage federal buildings, including police headquarters.