Explanation

The economic crisis of the 1930s (the Great Depression) originated in the USA. 

Starting with the 1929 stock market crash "Black Thursday" (October 24) and culminating on "Black Tuesday" (October 29),

It is the largest economy in the world, with the devastating Wall Street crash of 1929 

Explanation

The Thomas Cup is associated with badminton.

It is an international badminton competition among teams representing member nations (IBF)

It was donated in 1939 by Sir George Thomas

The championship has been conducted every two years since 1982.

Explanation

Asia Pacific Economic Cooperation, Headquarters: Singapore

Formed in 1989 in Australia 

It is an inter-governmental forum for 21 member economies.

APEC started in 1989, in response to the growing interdependence of Asia-Pacific economies

Explanation

The Horn of Africa is located in the northeastern part of the African continent

It is also known as the Somali Peninsula

It is the fourth-largest peninsula in the world. 

Area: 1.883 million km²

It consists of the internationally recognized countries of:

• Djibouti
• Eritrea
• Ethiopia
• Somalia

Explanation

ASEAN stands for the Association of Southeast Asian Nations

Founded: 8 August 1967, Bangkok, Thailand

Headquarters: Jakarta, Indonesia

Official language: No single official language (English commonly used)

Purpose: Promote economic, cultural, and political cooperation in Southeast Asia.

Members (11):

 Brunei

 Cambodia

 Indonesia

 Laos

 Malaysia

 Myanmar

 Philippines

 Singapore

 Thailand

 Vietnam

Timor Leste

Explanation

Jean-Jacques Rousseau is called the Father of the French Revolution.

Born on June 28, 1712

Died on July 2, 1778, at the age of 66 years.

Explanation

Jean-Jacques Rousseau was born on June 28, 1712

Died on July 2, 1778, at the age of 66 years.

He is called the Father of the French Revolution.

Explanation

Oxygen was discovered in 1774 by English chemist Joseph Priestley,

He isolated it by heating mercuric oxide and called it "dephlogisticated air".

Oxygen was discovered independently by Carl Wilhelm Scheele (around 1772)

Explanation

The Swaythling Cup is associated with Table Tennis

Awarded to the winners of the Men's Team event at the World Table Tennis Championships

First presented in 1926

Origin: Donated by Lady Swaythling

Explanation

 The Stone Age is also known as the Paleolithic Period (Old Stone Age) for its earliest phase

Mesolithic (Middle Stone Age)

Neolithic (New Stone Age)

Chalcolithic Period (or Copper Age)