Titanic sinks
1912NotableContested
More than 1,500 die. New maritime safety rules follow.
Contested history
Consensus: The Titanic struck an iceberg on 14 April 1912 and sank within three hours.
Iceberg collision, with too few lifeboatsEstablished
Confirmed by survivors and the wreck.
Weak rivets and a coal-bunker fire contributedDebated by scholars
Metallurgy tests support weak rivets; the fire's effect is disputed.
It was secretly swapped with its sister ship Olympic for insuranceDebunked
Titanic's hull number 401 has been photographed on the wreck.
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