1660. The illustration depicts a sighting by two Dutch ships in the North Sea of an object moving slowly in the sky. It appeared to be made by two disks of different size. The source for this account is one of the books entitled :"Theatrum Orbis Terrarum" by Admiral Blaeu. These books were compilations of articles by different authors and consisted of detailed accounts of long engagements at sea, cartography information etc.

Source: http://www.alien-ufo-pictures.com/ancient_aliens5.html

One of the most widespread UFO accounts in the world was right here in Arizona. It was an event witnessed by thousands across the state. On March 13th, 1997 the first report came in from Nevada, then as the minutes passed they continued following the craft southward from Paulden, AZ to Prescott then Dewey to Phoenix and finally Tucson. The lights appeared around 8:15 and disappeared by 8:45.
Source: TheCactusFiles.com

Good-bye Space Shuttles - Hello Starships!

Cloud Ship ~ by Rain

This segment aired on CNN in November, 2008.

The above painting is by Carlo Crivelli (1430-1495) and is called "The Annunciation" (1486) and hangs in the National Gallery, London. A disk shaped object is shining a pencil beam of light down onto the crown of Mary's head. A Blow up of the object is next to the painting.

Source: Alien-UFO-Pictures.com

This painting is called "The Madonna with Saint Giovannino". It was painted in the 15th century. The Palazzo Vecchio lists the artist as unknown although attributed to the Lippi school.Above Mary's right shoulder is a disk shaped object. Below is a blow up of this section and a man and his dog can clearly be seen looking up at the object.
Source: alien-ufo-pictures.com.