Do you know where the capital of the United States is? Do you know its history?

Washington, D.C., also known as Huadu and Washington for short, is the capital of the United States of America, named after George Washington, the first president of the United States, near Virginia and Maryland, and located in the northeastern United States and the mid-Atlantic. It is a special administrative region established as the capital in 1790, which is directly under the jurisdiction of the US Congress, so it does not belong to any state in the United States.

As of 20 16, the urban area of Washington is 177 square kilometers; The population of 20 19 10 is about 700,000. The highest authority in Washington, D.C. is the U.S. Congress, which administers it through the Washington City Government. But Washington citizens have only one voting representative in the House of Representatives and no representative in the Senate.

Washington's real GDP in 20 16 was109.3 billion dollars, ranking 34th among American states. Its main industry is related to government agencies. It is the seat of most American federal government agencies and embassies in the United States, the headquarters of international organizations such as the World Bank, the International Monetary Fund and the Organization of American States, and it also has many museums and cultural and historical sites. topography

The highest point in Washington, D.C. is125m above sea level, located in Tenleytown, and the lowest point is L Street in the northwest and new york Avenue in the northwest.

climate

Washington, D.C. has a temperate continental climate with four distinct seasons, relatively mild temperature changes and even precipitation distribution. Winter is cold, slightly wet and sometimes cold, and the number of days when the daily minimum temperature is below 0℃ is 64 days. Summer is relatively hot and humid. The average daily maximum temperature exceeds 90°F (about 32.2℃) for 37 days and100 F (about 37.8℃) for 1.2 days. The average temperature in Leng Yue (65438+1October) is 2.2℃, and the extreme minimum temperature is-26℃ (1899 February 1 1).

The average temperature in the hottest month (July) is 26.6℃, and the extreme maximum temperature is 41℃ (1965438+08: 00 on August 6th+0930: 00 on July 20th). The average frost-free period is 235 days. Due to the influence of heat island effect, the frost-free period in the city center can be longer than that in the northwest suburbs by more than 30 days. The average annual precipitation is about 1008 mm, and the average annual snowfall is 39.6 cm (about 15.6 inches). The amount of snowfall varies greatly every year.

According to the first chapter of the American Constitution, the highest authority in Washington, D.C. is the U.S. Congress, which implements municipal governance through the Washington municipal government, so the Congress has the right to veto local legislation. In addition to the restrictions of local autonomy, some Washington citizens have different participation rights from ordinary Americans living in various States: they have only one non-voting representative in the House of Representatives and no federal senator; Before 196 1 the amendment to article 23 of the Constitution was passed, citizens in Washington, D.C. did not have electoral votes and could not participate in the presidential election. After the 23rd amendment to the US Constitution was passed by 196 1, Washington, D.C. got three electoral votes.

On March 29th, 196 1, the residents of Washington, D.C., won the right to the US presidential election and got three electoral votes, which is the region with the largest number of electoral votes per capita. In the previous presidential election, all three electoral votes were given to the Democratic candidate. The mayors of Washington, D.C. are all Democrats, and the current mayor is muriel Bowser.