1852– The troop transporter Birkenhead of the Royal Navy sinks off South Africa, killing 450 of the 643 people on board. The call Women and children first is believed to have been used for the first time.
1914– The ship HMHS Britannic is launched at Harland and Wolff shipyard in Belfast.
1917– Denali National Park is founded in Alaska, originally named Mt. McKinley National Park. The mountain's English–language name comes from US President William McKinley.
1918– A German U–boat sinks the British hospitalship HMHS Glenart Castle, killing 153 people.
1919– The Grand Canyon becomes part of the Grand Canyon National Park.
1993–World Trade Center bombing: A bomb explodes in a car park under the North Tower of New York City's World Trade Center, killing 6 people, and injuring over 1,000.