7 Historical Events in the World in the 20th Century

Jakarta, CNN Indonesia —

Various historical events in world happened in the 20th century. In the last 100 years, there have been a number of important events that have had a major impact on human life today.

From technological discoveries, war, until disease outbreaks occurred in the span of 1900-1999. CNNIndonesia.com summarizes a number of historical events in the world in the 20th century.

Here are the events of 20th century world history.

1. The discovery of penicillin

In 1929, a bacteriologist from London’s St Mary’s Hospital, Alexander Fleming published a paper on a chemical called Penicillin or penicillin.

In his writings, Fleming called penicillin function to prevent the growth of bacteria. Fleming’s invention was later developed by Howard Florey and Ernst Chain in 1938.

The development of Howard and Ernst broke the medical world with the introduction of antibiotics for the body. This discovery is recognized as one of the greatest and advances the medical world. Antibiotics are still used in medicine to this day.

For his services Fleming, Florey, and Chain won the Nobel Prize in 1945.

2. World War II

World War II and the Holocaust are one of the historical events in the world in the 20th century. (Photos of Eva Braun and Adolf Hitler: Wikipedia Commons)- –

World War II was a major war involving countries in the Americas, Asia, and Europe in 1939-1945. This war killed millions of people around the world including the Holocaust. The Holocaust was the massacre of six million Jews during World War II led by Adolf Hitler.

World War II changed the world order. After this incident, the international organization United Nations (UN) was born.

3. Credit card discovery

The invention of the credit card is one of the historical events in the world. (Photo: Sapphire Makki)- –

The invention of the credit card has succeeded in providing a new breakthrough in the way of payment in the world. The idea of ​​payment in the form of a card that can be used in various locations was first discovered in 1950.

The concept of a credit card at that time was still a subscription system with certain stores using cards made of paper or cardboard.

The first credit card company was Diners Club which was founded in 1950 with 200 users and operates in 14 restaurants in New York, United States.