The following is a Gregorian timeline of the history for the city of Riyadh, Saudi Arabia. == Late Triassic == 200 million BC A major extinction event occurs resulting in the disappearance of 76% of all terrestrial and marine life; Pterosaurs, mammals and fish were minimally affected.
The following is a Gregorian timeline of the history for the city of Riyadh, Saudi Arabia. == Late Triassic == 200 million BC A major extinction event occurs resulting in the disappearance of 76% of all terrestrial and marine life; Pterosaurs, mammals and fish were minimally affected.
Source: Wikipedia "Timeline of Riyadh" · CC BY-SA 4.0
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