- August Vandekerkhove (Kanegem, 15 October 1838 – Mâcon, 24 March 1923) was a Belgian writer, art-painter and inventor. He wrote under the pseudonym S.U.Zanne. He started a movement he called Cosmosofie (Cosmosophy), which he claimed it to be the anti-thesis of Theosophy.
- Lake Michigan has a surface area of 22,404 mi2 (58,030 km2); (13,237 square miles (34,280 km2) lying in Michigan, 7,358 square miles (19,060 km2) in Wisconsin, 234 square miles (610 km2) in Indiana, & 1,576 square miles (4,080 km2) in Illinois) making it the largest lake entirely within one country by surface area (Lake Baikal in Russia is larger by water volume) and the fifth-largest lake in the world.