Scientists use radiocarbon dating to estimate the age of artifacts
His discovery of the Pacific Ocean established Spain's claim to it and the land surrounding it, and spurred Magellan to seek a direct sea route to the Pacific and the East Indies beyond.
President James Monroe announces another U.S. outside strategy activity that winds up plainly known as the "Monroe Doctrine." The neutralist position of the Monroe Doctrine was likewise a foundation of U.S. remote approach in the nineteenth century, and it took the two world wars of the twentieth century to draw a reluctant America into its new part as a noteworthy worldwide power.
