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

2) A group of flamingos is called a "flamboyance."

3) The global response to climate change includes the Paris Agreement, an international treaty aiming to limit global warming and strengthen countries' efforts to address climate change through mitigation and adaptation strategies.

4) The NBA (National Basketball Association) is widely regarded as one of the most popular and competitive professional basketball leagues in the world.