2013 Event Kepler-62e and Kepler-62f, two planets resembling planet Earth are discovered revolving around the star Kepler-62 in the habitable zone, an area around the stars whose atmospheric pressure can suport liquid water at the surface 1961 Event 1st revolving restaurant (Top Of The Needle in Seattle), opens 1888 Event Theophilus Van Kannel of Philadelphia patents revolving door 1862 Event Odore R Timby patents revolving gun turret 1836 Event Samuel Colt patents 1st revolving barrel multishot firearm