1605: Remember, remember the 5th of November. The gunpowder, treason, and plot. I know of no reason why the gunpowder treason should ever be forgot.
1983: One of the most horrific accidents in the history of commercial diving occurs aboard the Norwegian oil rig Byford Dolphin, operating in the North Sea, when four divers, who were inside a pressurised decompression chamber, were killed by a instantaneous and catastrophic decompression as the pressure dropped from nine atmospheres to one after a locking clamp was opened prematurely. The disaster became a landmark in offshore diving safety, prompting improvements to equipment design, operating procedures and safeguards against accidental disconnection.
2007: Google officially announces Android, a new open-source mobile operating system designed to run on smartphones and other mobile devices. Their ambition is to create an open platform that would allow manufacturers and developers to build phones and applications without being restricted by proprietary mobile software. Android would go on to become the world's most widely used mobile operating system, powering billions of devices and transforming the smartphone industry.
2019: 11,000 scientists from around the world publish a study in the journal BioScience, warning "clearly and unequivocally that planet Earth is facing a climate emergency".