|
The U.S. & Argentina were among the 12 countries who signed a treaty to preserve this continent |
Antarctica
|
$300 |
J |
THE 1950s |
1999-04-15 |
#3374 |
|
In January 1840, Charles Wilkes first sighted this continent |
Antarctica
|
$200 |
J |
THE 1840s |
1996-01-15 |
#2621 |
|
In November 1955 rear admiral Richard E. Byrd was named to head the program concerning this continent |
Antarctica
|
$200 |
DJ |
THE 1950s |
1994-04-25 |
#2231 |
|
The 1st fossil bones of a mammal found on this continent were dug up in 1982 |
Antarctica
|
$200 |
J |
THE '80S |
1988-10-18 |
#947 |
|
In 1820 Nathaniel Palmer of Stonington, Connecticut became 1st man to lay eyes on this continent |
Antarctica
|
$300 |
J |
THE 1800s |
1988-09-05 |
#916 |
|
During his expedition begun in 1838, Lt. Charles Wilkes proved this was a continent |
Antarctica
|
$400 |
DJ |
HISTORY |
1987-05-13 |
#633 |