• the opening session of the Estonian Constituent Assembly on April 23, 1919 is considered the birth of the Estonian Parliament?
• the game between FC Bayern Munich and 1860 Munich on 23 April 1945 in the Gauliga Bayern, ending 3–2, was the last official football game played in Nazi Germany?

Facts on topics related to April 23

March 4

• on March 4, 1839, William F. Harnden became the first person to send an express freight shipment by rail?
  

April 1

• The Vampyre was a short novel first published on April 1, 1819 in parts in the New Monthly Magazine with the false attribution "A Tale by Lord Byron"?

January 1

• a new free trade agreement called the Trans-Pacific Strategic Economic Partnership between Brunei, Chile, New Zealand and Singapore will come into effect on 1 January 2006?
• before 1 January 2008, milk with a fat content of 1 or 2% could not be labelled as milk in the United Kingdom?
• in the history of transportation in Los Angeles, the first California freeway "traffic jam" occurred on January 1, 1940?
• many Russians celebrate the new year twice: once on the January 1 New Year of the Gregorian calendar and again on the Julian calendar Old New Year in mid-January?

January 8

• on January 8, 1956, five Evangelical Christian missionaries from the United States were speared to death after attempting to reach the Huaorani people of Ecuador in "Operation Auca"?

April 25

• the Piliyandala bombing of April 25, 2008 was the deadliest attack on a commuter bus in Sri Lanka since the January 16 Buttala attack?
• the Washington Hebrew Congregation is a Reform Jewish congregation in the District of Columbia that has operated continuously since its formation on April 25, 1852, by twenty-one members?

April

• Kona lows bring severe weather to Hawaii two to three times each year between October and April?
• although Duraiappa stadium mass grave was unearthed in the northern city of Jaffna, Sri Lanka in April 1999, the 24 victims have not been identified yet?
• the 2001 single by Mylène Farmer, C'est une belle journée, was released in April, 2002 after the success of the album, Les Mots, rather than its scheduled date of release?
• the green-flag wielding Republican Army defeated the Spanish forces during the Battle of Rosillo at Salado Creek in San Antonio and established the first Texas Republic in April 1813?