July 23, 1846
Author Henry David Thoreau was jailed for refusing to pay the poll tax as a protest against the Mexican war, which in turn led to his writing “Civil Disobedience.” This essay became a source of inspiration for Leo Tolstoy, Mahatma Gandhi, and Martin Luther King, Jr. From Thoreau’s essay: “Unjust laws exist: shall we be content to obey them, or shall we endeavor to amend them, and obey them until we have succeeded, or shall we transgress them at once?”


