Scale (anatomy) Schultz's rule; Scur; Scute; Sexual dimorphism; Sexual mimicry; Skeleton; Skin; Snout; Spermatheca; Spongy tissue; Spur (zoology) Stifle joint; Stinger; Suture (anatomy) Symmetry in biology
The first officially sanctioned geographic and political limits associated with the Louisiana. Purchase were not laid down until the state of Louisiana was admitted to the union in 1812âthe. first state carved out of the Purchase as well as the first state west of the Mississippi.
Alaska admitted into Union. On January 3, 1959, President Eisenhower signs a special proclamation admitting the territory of Alaska into the Union as the 49th and largest state. The European discovery of Alaska came in 1741, when a Russian expedition led by Danish navigator Vitus Bering sighted the Alaskan mainland.