1993 Death Joop Scheltens, TV host/director (Explore Your Place), dies at 69 1945 Event U.S. Marines explore Tsugen Shima near Okinawa 1858 Event Sir Richard Burton and John Speake explore Lake Tanganyika, Africa 1806 Event Zebulon Pike began his journey to explore the Southwest 1669 Event LaSalle leaves Montreal to explore Ohio River 1584 Event Sir Walter Raleigh renews Humphrey Gilbert's patent to explore N Amer 1578 Event England grants Sir Humphrey Gilbert a patent to explore and colonize US 1527 Event Panfilo de Narvaez departs to explore Florida 1496 Event English king Henry VII hires John Cabot (Giovanni Caboto) to explore
