Explanation

Japan's monarchy is the oldest surviving monarchy in the world.

It was founded in 660 BCE, by Emperor Jimmu.

The official records of royal succession date back to Emperor Ōjin's reign in the 4th century.

However, they have recognized 125 monarchs till now.

Explanation

71% of Earth's surface is covered by oceans.

The warmest ocean in the world is the Indian Ocean.

With the hottest ocean area being the Persian Gulf.

The Pacific Ocean is the largest ocean in the world.

The Arctic Ocean is the smallest.

The Diamantina Trench is the deepest place in the Indian Ocean.

The country of Jordan has no ocean.

The five major oceans, listed by size from largest to smallest, are:

1. The Pacific Ocean
2. The Atlantic Ocean
3. The Indian Ocean
4. The Southern Ocean
5. The Arctic Ocean

Explanation

The first CZ-5 launched from Wenchang Space Launch Site on 3 November 2016 and placed its payload in a suboptimal but workable initial orbit.

Explanation

The ancient Olympic Games began in 776 B.C in Olympia, Greece,

They were held every four years to honor the Greek god Zeus.

Explanation

Nelson Mandela served first black president of South Africa on 10 May 1994 until 1999.

Nelson Mandela International Day celebrated: 18 July  

Nelson Mandela: imprisoned in 1962 (served 27 years in prison)

Nelson Mandela died: 5th December 2013

Explanation

Greenwich Mean Time is the mean solar time at the Royal Observatory in Greenwich, London.

It is established in 1884.

Explanation

Explanation

The General Assembly is the largest organ of the United Nations.

It is located in New York, USA.

The UN General Assembly usually meets every year in September.

There are six main organs of the UN.

The official languages are Arabic, Chinese, English, French, Russian, and Spanish, with English and French as the working languages of the Secretariat.

Founded: October 24, 1945, in San Francisco, California, USA

Headquarters: New York, USA

Founders: United States, India, United Kingdom, Brazil, France

Explanation

First Battle of Panipat: 21 April 1526

Fought Between: Babur Vs Lodi

Won by: Babur

Second Battle of Panipat: November 5, 1556

Fought Between: Hemu Vs Akbar

Won by: Akbar

Third Battle of Panipat: 14 January 1761

Fought Between: Abdali Vs Marathas

Won by: Abdali

Explanation

The Amazon River in South America is the largest river by discharge volume of water in the world,

longest or second-longest river system in the world,

a title which is disputed with the Nile. 

Source: Mantaro River

Length: 6,400 km

Mouth: Atlantic Ocean

By far the largest system is formed by the Amazon River,

which stretches some 4,000 miles  across equatorial South America.