A fireworks show in Boston that caught some people by surprise was put on by the National Conference of State Legislatures.

The fireworks over Boston Harbor were put on as a grand finale for the National Conference of State Legislatures ‘ annual ...

The National Conference of State Legislatures, a gathering of lawmakers from around the country, concluded with a private ...

Boston's unexpected fireworks were part of a legislative summit by NCSL, ending with a concert by Boyz II Men.

An impressive fireworks display lit up the Boston sky Wednesday night. And almost no one was expecting it or knew why it was happening.

The recent Fourth of July fireworks aren't the only ones going off this year. Boston will be bringing back the fireworks in August, for the "Illuminate the Harbor" display.

This year, the Boston Pops Fireworks Spectacular will be on Friday, July 4. The concert is schedule to begin at 7 p.m. and the fireworks will start at 9:40 p.m.

Boston Pops Fireworks Spectacular from 7:00 to 11:00 p.m. on the Esplanade: The celebration will kick off an hour earlier this year and feature the annual concert and fireworks show.

The city’s Fourth of July Procession kicks off from Boston City Hall Plaza at 9 a.m. and meanders to the Old State House for the annual reading of the U.S. Declaration of Independence.