1858 – Minnesota is admitted as the 32nd state of the United States. 1894 – Four thousand Pullman Palace Car Company workers go on a wildcat strike. 1910 – An act of the U.S. Congress establishes Glacier National Park in Montana. 1963 – Racist bombings in Birmingham, Alabama, disrupt nonviolence in the Birmingham campaign and precipitate a crisis involving federal troops. 1973 – Citing government misconduct, Daniel Ellsberg's charges for his involvement in releasing the Pentagon Papers to The New York Times are dismissed. 1997 – Deep Blue, a chess-playing supercomputer, defeats Garry Kasparov in the last game of the rematch, becoming the first computer to beat a world-champion chess player in a classic match format.