The Park Street Church was founded in 1809 on the land that was once the site of the Boston granary. Its 217-foot tall steeple was the first landmark that incoming travelers would have seen. It sits on what was known as “Brimstone Corner”. There are two prevailing explanations as to how brimstone corner got its name: 1) brimstone – sulfur used for gunpowder – was stored in the church’s basement during the War of 1812 and 2) former minister of the church preached many “hellfire and brimstone” sermons there.

            On July 4, 1829 William Lloyd Garrison delivered his speech against slavery. This speech was the first major speech opposing slavery.

            On July 4, 1831 the song My Country ‘tis of Thee was sung for the first time on the steps of the church.

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Sources: http://www.thefreedomtrail.org