Opening of the St. Lawrence Seaway
On April 25, 1959, the St. Lawrence Seaway opened, connecting the Great Lakes to the Atlantic Ocean. Construction of the St. Lawrence Seaway was nearly as ambitious as the Panama Canal project.
International History
Battle of San Jacinto
On April 21, 1836, Texan soldiers led a swift attack on an unsuspecting Mexican force at the Battle of San Jacinto. It was the final, decisive battle of the Texas Revolution.
The Titanic Sinks
One of the most well known maritime disasters in history occurred on April 14, 1912, when the Titanic hit an iceberg and sank.
Birth of Hans Christian Andersen
Danish author Hans Christian Andersen was born on April 2, 1805, in Odense, Funen, Kingdom of Denmark-Norway. Best known as an author of Fairy Tales, his birthday is celebrated as International Children’s Book Day.
German Spring Offensive
On March 21, 1918, Germany launched its Spring Offensive in the hopes of tipping the scales of the war before American troops and supplies could reach the front.
The Zimmermann Telegram
On February 24, 1917, British officials shared the Zimmermann Telegram with US President Woodrow Wilson, revealing a German plot to incite a war between the US and Mexico.
Arizona Becomes 48th State
On February 14, 1912, Arizona was admitted as the 48th state. It would be another 48 years before another state was added to the Union.
Liberation of Auschwitz
On January 27, 1945, Soviet troops liberated the Auschwitz concentration camp, marking the beginning of the end of the Holocaust. The United Nations later designated this date International Holocaust Remembrance Day.
The Élysée Treaty
On January 22, 1963, France and West Germany signed the Élysée Treaty, ending centuries of rivalries between the two nations. In 1988, both countries collaborated on joint-issue stamps marking the treaty’s 25th anniversary.