1) The first car with air conditioning was released in 1939.

2) The invention of the transistor by Bell Laboratories in 1947 revolutionized electronics and paved the way for the development of smaller, more efficient electronic devices.

3) Mount Everest, located in the Himalayas, is the highest mountain on Earth, reaching a peak elevation of 29,032 feet (8,848 meters).

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