Archaeopteryx, sometimes referred to by its German name Urvogel ("original bird" or "first bird"), is the earliest and most primitive bird known. Archaeopteryx lived in the late Jurassic Period around 155–150 million years ago, in what is now southern Germany during a time when Europe was an archipelago of islands in a shallow warm tropical sea, much closer to the equator than it is now.

Archaeopteryx

Archaeopteryx, sometimes referred to by its German name Urvogel ("original bird" or "first bird"), is…

The original seal of the United States of America.

Original US Seal

The original seal of the United States of America.

A copy of the original manuscript of the first stanza of "The Star-Spangled Banner."

First Stanza of the "Star-Spangled Banner"

A copy of the original manuscript of the first stanza of "The Star-Spangled Banner."

The Tunisian pistol tassel is a cord with a simple knot to keep the cord from ravelling-out.

Tunisian Pistol Tassel

The Tunisian pistol tassel is a cord with a simple knot to keep the cord from ravelling-out.