1) The world's oldest known recipe is for beer and is over 4,000 years old.

2) The recent social and political movements advocating for LGBTQ+ rights have resulted in significant advancements, including the legalization of same-sex marriage in many countries and increased visibility and acceptance of LGBTQ+ individuals.

3) The concept of self-driving cars, or autonomous vehicles, is being actively developed by companies such as Tesla, Google (Waymo), and Uber.

4) The United States operates under a two-party system, with the Democratic Party and the Republican Party being the two major political parties that compete in elections and shape the country's political landscape.