1) The most-watched TV series finale in the United States was "MAS*H," with an estimated 105 million viewers.

2) The first graphical web browser, Mosaic, was released in 1993 and played a key role in popularizing the World Wide Web.

3) The rapid development and adoption of cryptocurrencies, such as Bitcoin and Ethereum, have sparked discussions on the future of finance, decentralization, and the potential of blockchain technology to disrupt traditional financial systems.

4) The world's oldest university, Al-Qarawiyyin, was founded in 859 AD and is located in Fez, Morocco.