Explanation

Born Vladimir Ulyanov, Lenin was the founder of the Russian Communist Party, the leader of the 1917 Bolshevik Revolution

He is the first head of the Soviet state.

Trotsky was a leader of the Russian Revolution of 1917.

Explanation

Marie Curie is best known for her work in radioactivity

She also discovered the elements radium and polonium.

Her pioneering research in radioactivity earned her two Nobel Prizes, one in Physics (1903) and one in Chemistry (1911).

Explanation

• Linus Torvalds is the inventor of the Linux kernel
• Releasing the first version in September 1991
• Create a new free operating system kernel.

Last updated by NS on 06 May 2026

Explanation

Margaret Thatcher became the first female Prime Minister of the United Kingdom in 1979 

Served until 1990, earning the nickname "The Iron Lady"

Explanation

Stephen Hawking worked on the physics of black holes.

He proposed that black holes would emit subatomic particles until they eventually exploded.

He also wrote best-selling books, the most famous of which was A Brief History of Time: From the Big Bang to Black Holes (1988).

Explanation

In a standard basketball game, there are typically three referees:

• The crew chief
• The refer
• The umpire

Explanation

In many sports, a red card is used to permanently suspend a player from a game: 

Field hockey: A red card disqualifies a player from the game.

Ice hockey: A red card permanently suspends a player from the game.

Explanation

George Stephenson is credited with inventing the first successful railway engine, known as the Locomotion No. 1, in 1814.

His later model, The Rocket, introduced in 1829, 

Explanation

The Kick-Off is the starting kick in a football match.

A kick-off starts the match, restarts play after a goal and starts each half and extra time.

The ball is placed on the center mark and the opposing team must be at least 10 yards away

Explanation

• About Warsaw Treaty Organization 
• Type: defense treaty
• Signatories: Soviet Union and seven other
• Signed: May 1955
• Headquartered: Moscow, Russia