A relatively quick method of locking your Macâwhile still leaving your programs runningâis to activate the screen saver using a hot corner. To do this, open the Desktop & Screen Saver System Preferences panel, activate the Screen Saver tab, and click the Hot Corners button.
On December 7, 1787, Delaware, became the first state to ratify the United States Constitution. Before that, it was the only colony to be claimed by Sweden, Holland and England. And before that, there is some evidence that Egyptian explorers found their way to the state.
John Hanson became the first President of the United States under the Articles of Confederation. However, George Washington became the first President of the United States after the formation of the Constitution of America, in the year 1789.In the 19th century, the US expanded its territory westwards by acquiring land from France, Spain, Russia, Mexico, and the United Kingdom.oday, fifty states, along with one federal district, form the United States of America. The formation of the United States witnessed many twists and turns over a long period of time. No particular date can be assigned to the day when the United States was actually founded.