June 30
1794 – Native American forces under Blue Jacket attack Fort Recovery. 1805 – The U.S. Congress organizes the Michigan Territory. 1859 – Acrobat Charles Blondin crosses Niagara Falls on a tightrope. 1860 – The 1860 Oxford evolution debate at the Oxford University Museum of Natural History takes place. 1864 – U.S. President Abraham Lincoln grants...