What is the significance of the Stamp Act Congress petition (1765) to Parliament?

It was a meeting held in New York. A protest against new British taxation.

Explanation:

The Stamp Act Congress (October 7 - 25, 1765), also known as the Continental Congress of 1765, was a meeting held in New York, New York, consisting of representatives from some of the British colonies in North America. It was the first gathering of elected representatives from several of the American colonies to devise a unified protest against new British taxation. Parliament had passed the Stamp Act, which required the use of specially stamped paper for legal documents, playing cards, calendars, newspapers, and dice for virtually all business in the colonies starting on November 1, 1765.

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