1) The abolition of slavery in the United States was officially proclaimed with the ratification of the 13th Amendment to the Constitution in 1865.

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

3) Online banking and mobile banking have become increasingly popular, providing convenient access to banking services through digital platforms.

4) The ancient city of Rome was founded in 753 BC and went on to become one of the most powerful and influential civilizations in history.