Age codes include HY (hatching year), indicating a bird in the calendar year of its hatching; SY (second year), indicating a bird in its second calendar year (HY/SY indicates a bird in its first plumage cycle, being HY until 31 Dec and SY after 1 Jan); TY (third year), indicating a bird in its third calendar year; AHY (after-hatching year), ...
Leif erickson and the vikings were in fact the first to discover and settle on what is now called the united states of america. Christopher Columbus is given credit for discovering the New World, but was he really the first person to step foot in this new land.
Hernando de Soto (c. 1495 â May 21, 1542) was a Spanish explorer and conquistador who led the first European expedition deep into the territory of the modern-day United States (Florida, Georgia, Alabama and most likely Arkansas), and the first documented European to have crossed the Mississippi River.