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Niagara Falls is a group of three waterfalls at the southern end of Niagara Gorge, spanning the border between the province of Ontario in Canada and the state of New York in the United States.

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Valentina Tereshkova was the First woman and Youngest woman in space (age 26).

Mission name: Vostok 6 mission on June 16, 1963.

Valentina Tereshkova belong to the Soviet Union (Russia)

2nd women to space was 

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Fall of Constantinople, (May 29, 1453), conquest of Constantinople by Sultan Mehmed II of the Ottoman Empire.

The dwindling Byzantine Empire came to an end when the Ottomans breached Constantinople's ancient land wall after besieging the city for 55 days.

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Twitter was created by Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams in March 2006 and launched in July of 2006.

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misspell غلط ہجے کریں

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Bagh-e-Jinnah, formerly known as Lawrence Gardens , is a historical park in the city of Lahore, Pakistan.The large green space contains a botanical garden, Masjid Dar-ul-Islam, and Quaid-e-Azam Library.

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• The interface between user and computer is called Programming
  

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Twitter was created by Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams in March 2006 and launched in July of 2006.

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