The 1900s, also known as the 20th century, is the most recent century of the Gregorian Calendar. It started on January 1, 1901 and ended on December 31, 2000.
The 20th century was marked by significant advancements in science, technology, and culture. Here are some of its major achievements and developments:
* Development of the airplane and the internal combustion engine, which revolutionized transportation.
* The invention of the computer and the personal computer, which transformed communication and information processing.
* Major medical breakthroughs such as the discovery of antibiotics and vaccines, leading to significant improvements in public health and life expectancy.
* Important scientific discoveries, including the theory of relativity and the development of quantum mechanics.
* Social and political changes such as the women's suffrage movement, civil rights movements, and the end of colonialism.
* The rise of mass media, especially radio and television, which had a profound impact on society and culture.
* The two world wars, which caused widespread devastation and loss of life.
* Increased global interconnectedness and communication due to advances in transportation and technology.
Overall, the 20th century was a period of remarkable change and progress in various fields, leaving a lasting impact on human civilization.