1) The Renaissance period, which began in Italy in the 14th century, marked a renewed interest in art, literature, science, and philosophy.

2) The universe is estimated to be around 13.8 billion years old.

3) The New York Stock Exchange (NYSE) is the largest stock exchange in the world.

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.