Tribhuvan university is one of the top and oldest universities of Nepal. It was established in 25 june 1959 i.e 11 Ashar 2016 B.S. In terms of enrollment, it is the tenth largest university in the world.

Pulchowk Campus is the central campus of the Institute of Engineering. It was established in 1972(2029 B.S.) as one of the constituent campus of the Institute of Engineering and is situated at the heart of the Lalitpur city at Pulchowk.

Twitter was founded by Jack Dorsey and was created in March 2006. It is an American online news and social networking service.

Valeri Vladimirovich Polyakov, the record holder for the longest single stay in space in human history. He was born in April 27,1942.

Mount Everest is the highest peak of the world and is located in the Nepal. The first flight over the Mount Everest was made in the 1933.

Gemini 1 was the first unmanned test flight of the Gemini spacecraft in NASA’s Gemini program, which was launched on April 8, 1964

Astronomer and Physicist Galileo Galilei was born in 15 February 1564 and died at 8 January 1642.

The first aerial circumnavigation of the world was completed in 1924 by four aviators from an eight-man team of the United States Army Air Service, the precursor of the United States Air Force. The 175-day journey covered over 26,345 miles

Bishweshwar Prasad Koirala (B.P. Koirala) was a Nepali politician and a prolific writer born on 8 September 1914 in India. He was a great, honest and true leader. He was the Prime Minister of Nepal from 1959 to 1960.

Reference Notes, Origin and Duration – Complete Guide, For: Class 11 / English Grammar, Meanings Into Words, 1. ‘Origin’ structures