1) The English alphabet has five vowels: A, E, I, O, and U.

2) The ongoing conflict in Syria, which began in 2011, has resulted in a humanitarian crisis, displacement of millions of people, and international efforts to bring about a resolution and provide aid to those affected.

3) The Brexit process, initiated by the United Kingdom's referendum in 2016, led to the country's withdrawal from the European Union in 2020, marking a significant political and economic change for both the UK and the EU.

4) The most-watched television event in the United States is the Super Bowl, with millions of viewers tuning in each year.