Example image of eyePlorer eyePlorer map for 'June 30': 350 Constantinian dynasty Magnentius Nepotianus Roman usurper 1422 Battle of Arbedo Milan Switzerland 1520 Tenochtitlan 1559 Gabriel, comte de Montgomery Henry II of France Jousting 1651 Battle of Berestechko Deluge (history) Khmelnytsky Uprising Poland 1688 England Glorious Revolution Invitation to William 1758 Battle of Domstadtl Seven Years' War 1794 Blue Jacket Fort Recovery 1805 Michigan Territory United States Congress 1859 Acrobatics Charles Blondin France Niagara Falls 1860 1860 Oxford evolution debate Oxford University Museum of Natural History 1864 Abraham Lincoln California President of the United States Yosemite Valley 1882 Charles J. Guiteau James A. Garfield Washington, D.C.