Pick one

https://en.wikipedia.org/wiki/December_3

• 1982 – A soil sample is taken from Times Beach, Missouri, that will be found to contain 300 times the safe level of dioxin.
• 1984 – Bhopal disaster: A methyl isocyanate leak from a Union Carbide pesticide plant in Bhopal, India, kills more than 3,800 people outright and injures 150,000–600,000 others (some 6,000 of whom would later die from their injuries) in one of the worst industrial disasters in history.

Thats what you call real pollution!