★ 7.0
★ 7.7
★ 8.0
★ 6.9
★ 6.5
★ 6.0
★ 5.2
★ 0.0
★ 5.0
★ 9.0
★ 10.0
★ 7.6
On August 15th, 1914, the Panama Canal opened, connecting the world's two largest oceans and signaling America's emergence as a global superpower.
