20th centuryAug. 11, 1978: First Atlantic Balloon Crossing Takes OffBy Keith BarryAug. 6, 1945: 'I Am Become Death, Destroyer of Worlds'By Tony LongAug. 5, 1962: First Quasar DiscoveredBy Randy AlfredAug. 4, 1922: For Whom the Bell Tolls NotBy Randy AlfredAug. 3, 1977: The TRS-80 Is Bad, and That Ain't Trash TalkBy John C AbellJuly 30, 1935: Penguins Invade Britain, Readers RejoiceBy John C AbellJuly 29, 1958: Ike Inks Space Law, NASA Born in Wake of Russ MoonBy Tony LongJuly 28, 1948: IG Farben Explosion Punctuates Nuremberg TrialBy Scott ThillAttack of the L.A. Smog ArchivesBy Randy AlfredJuly 26, 1943: L.A. Gets First Big SmogBy Jess McNallyJuly 23, 1996: Stand By ... High Definition TV Is on the AirBy John C AbellJuly 22, 1933: Wiley Post Flies Around the World AloneBy Jason PaurJuly 21, 1911: Media Messenger McLuhan BornBy Scott ThillJuly 19, 1989: Human Heroics Overcome Aircraft Failure in Sioux CityBy D DumasJuly 16, 1965: Mont Blanc Tunnel OpensBy Keith BarryJuly 15, 1954: Boeing 707 Makes First FlightBy Jason PaurJuly 14, 1965: Mariner 4 Brings Mars Up Close and CardinalBy Brandon KeimJuly 13, 1977: Massive Blackout Plunges New York Into RiotingBy Tony LongJuly 12, 1960: Etch a Sketch? Let Us Draw You a PictureBy Tony LongJuly 8, 1947: Roswell Incident Launches UFO ControversyBy John C AbellJuly 6, 1920: Pilots Navigate Using AM RadioBy Jason PaurJuly 1, 1910: Give Us This Day Our Automated BreadBy John C AbellJune 30, 1908: A Very Close Encounter of the Second KindBy Tony LongJune 29, 1956: Ike Signs Interstate Highway ActBy Brandon KeimMore Stories