The Montreal Protocol is signed in order to protect the ozone layer from further depletion.

The first commercial photocopier, the Xerox 914, is demonstrated.

To protect the ozone layer, the Montreal Protocol is signed.

The first photocopier, the Xerox 914, is demonstrated.

Mercenaries who worked Blackwater Worldwide allegedly shoot and kill 17 Iraqi civilians in Nisour Square, Baghdad. All criminal charges against them were later dismissed.