218 - 7th recorded perihelion passage of Halley's Comet
1527 - Pánfilo de Narváez departs to Spain explore Florida.
1630 - Italian Jesuit Niccolò Zucchi, 1st to see 2 belts on Jupiter surface
1673 - Louis Joliet & Jacques Marquette begin exploring Mississippi
1920 - 1st flight by Dutch airlines KLM (Koninklijke-Luchtvaart-Maatschappij)
