1) The concept of gravity was famously described by Sir Isaac Newton after an apple fell on his head.

2) The world's largest diamond, the Cullinan, was discovered in South Africa in 1905 and weighed over 3,000 carats.

3) The first video game console, the Magnavox Odyssey, was released in 1972 and featured games such as Pong and Table Tennis.

4) The global push for COVID-19 vaccination campaigns has been a significant focus, with the development and distribution of vaccines to combat the spread of the virus and protect public health.