August 16, 1989
A solar particle event affects computers at the Toronto Stock Exchange, forcing a halt to trading.
Commentary
Commentary
On August 16, in the year 1989:
A solar particle event affects computers at the Toronto Stock Exchange, forcing a halt to trading.
A solar particle event (SPE), also known as a solar energetic particle event or solar radiation storm, is a solar phenomenon that occurs when particles emitted by the Sun, mostly protons, become accelerated either in the Sun's atmosphere during a solar flare or in interplanetary space by a coronal mass ejection shock.
Why August 16, 1989 matters:
A solar particle event affects computers at the Toronto Stock Exchange, forcing a halt to trading.
What began on this day left a lasting mark on history. The effects were felt immediately and continued to shape events, ideas, and lives long afterwards.
Historical context: August 16, 1989
The 20th century brought rapid advances in health, communication, science, and technology that reshaped everyday human experience.
The event on this day: A solar particle event affects computers at the Toronto Stock Exchange, forcing a halt to trading.
Source: https://en.wikipedia.org/wiki/Solar_particle_event (Wikipedia, CC BY-SA)
Sources: Wikipedia (CC BY-SA)
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