A timeline of United States inventions (after 1991) encompasses the ingenuity and innovative advancements of the United States within a historical context, dating from the Contemporary era to the present day, which have been achieved by inventors who are either native-born or naturalized citizens of the United States. Patent protection secures a person's right to his or …

From 1836 to 2011, the United States Patent and Trademark Office (USPTO) has granted a total of 7,861,317 patents relating to several well-known inventions appearing throughout the timeline below. Contents

The European roots of the United States originate with the English and Spanish settlers of colonial North America during British and Spanish rule Scotch Irish, 4.3 Scots, 4.7 Irish, 7.2 German, 2.7 Dutch, 1.7 French and 2 Swedish). The English ethnic group contributed to the major cultural and social mindset and attitudes that evolved into the American character. Of the total population …

The national flag of the United States of America, often referred to as the American flag or the U.S. flag, consists of thirteen equal horizontal stripes of red (top and bottom) alternating with white, with a blue rectangle in the canton (referred to specifically as the "union") bearing fifty small, white, five-pointed stars arranged in nine offset horizontal rows, where rows of six stars …

This timeline of United States government military operations, based in part on reports by the Congressional Research Service, shows the years and places in which U.S. military units participated in armed conflicts or occupation of foreign territories. Items in bold are wars most often considered to be major conflicts by historians and the general public.

The main trend regarding the history of U.S. foreign policy since the American Revolution is the shift from non-interventionism before and after World War I, to its growth as a world power and global hegemony during and since World War II and the end of the Cold War in the 20th century. Since the 19th century, U.S. foreign policy also has been characterized by a shift from the …

Timeline of United States discoveries encompasses the breakthroughs of human thought and knowledge of new scientific findings, phenomena, places, things, and what was previously unknown to exist. From a historical stand point, the timeline below of United States discoveries dates from the 18th century to the current 21st century, which have been achieved by …

The introduction of postage stamps in the UK in May 1840 was received with great interest in the United States (and around the world). Later that year, Daniel Webster rose in the U.S. Senate to recommend that the recent English postal reforms—standardized rates and the use of postage stamps—be adopted in America. It would be private enterprise, however, that brought stamps …

Aug 07, 2019 · Here is a timeline of the major inventions of the 18th century. 1701 . Jethro Tull invents the seed drill. 1709 . Bartolomeo Cristofori invents the piano. ... The United States issued its first patent to William Pollard of Philadelphia for a machine that roves and spins cotton. 1791 .

Elections in the United States are held for government officials at the federal, state, and local levels. At the federal level, the nation's head of state, the president, is elected indirectly by the people of each state, through an Electoral College.Today, these electors almost always vote with the popular vote of their state. All members of the federal legislature, the Congress, are directly ...