December 6 in U.S. history. The tragedy in the mines. The failure of the first satellite. Domino’s Pizza. Shooting in the school of Oklahoma.

Today is the Day of the usurer. Read today about who first captured Venus, how many people died in one year of work in the mines, and what happened in the regular Oklahoma school.

1. 1790. The U.S. Congress moved from New York, New York, in Philadelphia, Pennsylvania.

2. 1865. 13 Amendment of the Constitution officially abolished the institution of slavery.

3. 1877. In light of the first issue of the newspaper Washington Post.

4. 1882. In California, Mount Hamilton astronomer David Peck Todd (David Peck Todd) made the picture of Venus passing the sun.

5. 1884. In Washington, DC, completed construction of a monument in honor of the first U.S. president, George Washington (George Washington). On Capitol Hill, “rose” tall obelisk 550 feet (167.6 meters).

6. 1907. In West Virginia there was a most terrible tragedy in the mines of the country’s history. In Marion County in the mine explosion that killed 362 miners. In general, the United States in 1907, the mines killed more than 3240 people.

7. 1955. In the U.S. introduced a single standard for vehicle license plates. Prior to that, each state had its own design, and often not alone.

8. 1957. On this day, failed the first attempt of America to launch into orbit. At Cape Canaveral, Fla., during the launch rocket Vanguard (pictured), broke away from the platform four feet (1.2 meters), exploded.

9. 1960. American entrepreneur from Michigan, Thomas Monaghan (Thomas Monaghan) founded pizza Domino `s Pizza. Now a network of pizzerias includes 8000 offices in 55 countries worldwide.

10. 1988. President Mikhail Gorbachev arrived in New York with a two-day visit. This was his last trip to the United States as head of the country.

11. 1999. At Fort Gibson, Oklahoma, 13-year-old Seth Trickey (Seth Trickey) opened fire at the school, where he studied. As a result, injured 4 persons. The reasons for this act remain unclear, because at school he was considered a good student, popular with classmates, and seemed never to have been no problems with the psyche.