- 1755:The Lisbon earthquake of 1755
At about 9.40 on the morning of All Saints' Day, with many people at Mass, a massive earthquake devastates Lisbon. Roughly 45 minutes to an hour later a tsunami surges up the Tagus into the lower town, and fires burn for days; modern estimates of the dead in Lisbon alone run from about 10,000 to 40,000.
- 2011: The American surfer Garrett McNamara rides a wave of about 23.8 metres (78 feet) off Praia do Norte in Nazaré, a Guinness world record that put the fishing town's giant winter swells, funnelled by the Nazaré Canyon, on the global surfing map.