Q.1.
Which Beatles member was murdered?

On 8 December 1980, an American Beatles fan named Mark David Chapman shot and murdered the English musician John Lennon.

Q.2.
Name the American space shuttle that exploded in 1986?

The American space shuttle Challenger exploded soon after take-off on 28 January 1986 and caused the death of all the seven crew members on the board.

Q.3.
In which year did the Bhopal disaster take place?

The Bhopal Disaster, one of the world’s deadliest gas leak disasters, took place on 2–3 December 1984 when methyl isocyanate (MIC) gas leaked at the Union Carbide India Limited pesticide plant in Bhopal.

Q.4.
In 1980, which volcano exploded in the United States?

The eruption of Mount St. Helens on 18 May 1980, which was caused by an earthquake under it, came as a surprise for the United States of America as it was not prone to such disasters.

Q.5.
In which year was Microsoft's Windows operating system, Windows 1.0, released?

Windows 1.0 was launched by Microsoft on 20 November 1985. It was the first version of the Windows operating systems that we use today.

Q.6.
In which year did the Berlin Wall fall?

The Berlin Wall that divided East Germany and West Germany was demolished on 9 November 1989, which led to the fall of the political boundary called the Iron Curtain.

Q.7.
Which heir to the throne married Diana Spencer?

On 29 July 1981, Princess Diana married Prince Charles, who was the eldest son of Queen Elizabeth and the Duke of Edinburgh and became a member of the British Royal family.

Q.8.
The popular game Pac-Man originated from which country?

Namco (now known as Bandai Namco Entertainment) is a company based in Japan that is credited to have launched Pac-Man on 22 May 1980. The video game became immensely popular.

Q.9.
The popular video game Super Mario was released in which year?

Super Mario Bros was released on 13 September 1985. It led to the start of the series of programming games, famously known as Super Mario.

Q.10.
Which company introduced mobile phones in 1983?

Motorola launched the first mobile phone named DynaTAC in 1983, which took approximately 10 hours for a full charge and provided a talk time of 30 minutes.