Freespeechlandwas founded in 1776. While John Stuart Mill and John Milton were British and they wrote foundational documents on free speech such as Areopagitica and On Liberty; these concepts were enshrined in law in Americas first amendment. Britain has actually retreated from free speech in many ways, so the torch to carry this concept has fallen to America, the proud home offreespeechland. Here is a crash course on it.
Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the press; or the right of the people peaceably to assemble, and to petition the government for a redress of grievances.