Wikipedia talk:Selected anniversaries/April 4


 * 1581 - Francis Drake completes a circumnavigation of the world and is knighted by Elizabeth I.
 * 1814 - Napoleon abdicates for the first time.
 * 1818 - The United States Congress adopts the flag of the United States as having 13 red and white stripes and one star for each state (20 stars) with additional stars to be added whenever a new state is added to the Union.
 * 1841 - President William Henry Harrison dies of pneumonia becoming the first President of the United States to die in office and at one month, the elected president with the shortest term served.
 * 1850 - Los Angeles, California is incorporated as a city.
 * 1887 - Argonia, Kansas elects Susanna Medora Salter as the first female mayor in the United States.
 * 1905 - In India, an earthquake near Kangra, kills 370,000.
 * 1939 - Faisal II becomes King of Iraq.
 * 1945 - World War II: American troops liberate Ohrdruf death camp in Germany.
 * 1949 - Twelve nations sign The North Atlantic Treaty creating the North Atlantic Treaty Organization.
 * 1964 - The Beatles occupy all of the top 5 positions on the Billboard Hot 100 Singles chart in the United States (the only time it ever happened).
 * 1968 - Martin Luther King Jr. assassinated.
 * 1968  - Apollo program: NASA launches Apollo 6.
 * 1969 - Dr. Denton Cooley implants the first temporary artificial heart.
 * 1975 - A United States Air Force C-5A Galaxy crashes near Saigon, South Vietnam shortly after takeoff, transportnig orphans. 172 people are killed.
 * 1976 - Prince Norodom Sihanouk resigns as leader of Cambodia and is placed under house arrest.
 * 1979 - President Zulfikar Ali Bhutto of Pakistan is executed.
 * 1983 - Space Shuttle Challenger makes its maiden voyage into space.
 * 1984 - President Ronald Reagan calls for an international ban on chemical weapons.
 * 1991 - Senator John Heinz of Pennsylvania and six others are killed when a helicopter collided with their plane over Merion, Pennsylvania.

Children's Day in Hong Kong
According to this article, the day is also celebrated in Hong Kong.

2012 notes
— howcheng  {chat} 06:04, 3 April 2012 (UTC)
 * Deleted: Alexios I Komnenos (moved to April 5—wrong date)
 * New articles (unused): Battle of Kassel (1945)
 * Omitted: Dixie (song); NATO; Assassination of Martin Luther King, Jr.; Angolan Civil War
 * Included: William Henry Harrison (first appearance); Artificial heart (3rd appearance, last in 2009; rescued from Ineligible); Microsoft (3rd appearance, last in 2010); Zulfikar Ali Bhutto (6th appearance, last in 2008)
 * Repeats: Declaration of Breda (2nd consecutive appearance, 3 total)
 * Addendum: Angolan Civil War added later for balance. — howcheng  {chat} 03:49, 4 April 2012 (UTC)

2013 notes
— howcheng  {chat} 05:42, 3 April 2013 (UTC)
 * New articles (ineligible): Hanoi Taxi
 * Omitted: Declaration of Breda; William Henry Harrison; Artificial heart; Microsoft; Zulfikar Ali Bhutto; Angolan Civil War
 * Included: Wareru (first appearance); The Kennel Club (first appearance); NATO (10th appearance, last in 2011); World Trade Center (first appearance; 40th anniversary); Evan Mecham (first appearance; 25th anniversary)

2014 notes
— howcheng  {chat} 09:32, 3 April 2014 (UTC)
 * Deleted: Los Angeles (featured on September 4)
 * Moved to Ineligible: Microsoft (maintenance)
 * Omitted: Wareru; The Kennel Club; NATO; World Trade Center; Evan Mecham
 * Included: Circus (6th appearance, last in 2011; moved from January 9); Georges Cuvier (first appearance); Dixie (song) (3rd appearance, last in 2011); Assassination of Martin Luther King, Jr. (5th appearance, last in 2011); Flag of Hong Kong (first appearance)

2015 notes
— howcheng  {chat} 06:40, 2 April 2015 (UTC)
 * Omitted: Circus; Georges Cuvier; Dixie (song); Assassination of Martin Luther King Jr.
 * Included: Declaration of Breda (3rd appearance, last in 2012); Napoleon II (first appearance); William Henry Harrison (2nd appearance, last in 2012); Battle of Kassel (1945) (first appearance; 70th anniversary)
 * Repeats: Flag of Hong Kong (2nd consecutive appearance, 2 total; 25th anniversary)

2016 notes
— howcheng  {chat} 08:11, 2 April 2016 (UTC)
 * Moved to Ineligible: Circus (maintenance); Dixie (song) (maintenance)
 * Omitted: Children's Day (ineligible—maintenance); Declaration of Breda; Napoleon II; William Henry Harrison; Battle of Kassel (1945); Flag of Hong Kong
 * Included: Georges Cuvier (2nd appearance, last in 2014); The Kennel Club (2nd appearance, last in 2013); NATO (11th appearance, last in 2013); Norodom Sihanouk (5th appearance, last in 2008; 40th anniversary; rescued from Ineligible); Angolan Civil War (3rd appearance, last in 2012)

2017 notes
— howcheng  {chat} 07:48, 4 April 2017 (UTC)
 * Moved to Ineligible: Declaration of Breda (maintenance); Napoleon II (maintenance); Battle of Kassel (1945) (maintenance); Zulfikar Ali Bhutto (maintenance)
 * Omitted: Senegal (ineligible—maintenance); Georges Cuvier (ineligible—maintenance); The Kennel Club (ineligible—maintenance)
 * Included: William Henry Harrison (3rd appearance, last in 2015); World Trade Center (1973–2001) (first appearance; blurb previously featured World Trade Center and is making its 2nd appearance, last in 2013); Liu Yin (Southern Han) (first appearance); Robert III of Scotland (first appearance); Jonathan Agnew (first appearance)
 * Repeats: NATO (2nd consecutive appearance, 12 total); Norodom Sihanouk (2nd consecutive appearance, 6 total); Angolan Civil War (2nd consecutive appearance, 4 total)

2018 date
— howcheng  {chat} 03:23, 4 April 2018 (UTC)
 * Deleted: Wareru (moved to January 30)
 * Moved to Ineligible: Artificial heart (maintenance)
 * Omitted: William Henry Harrison; NATO; World Trade Center (1973–2001); Norodom Sihanouk (moved to April 2); Angolan Civil War; Liu Yin (Southern Han); Robert III of Scotland; Jonathan Agnew
 * Included: Dixie (song) (4th appearance, last in 2014; rescued from Ineligible); Assassination of Martin Luther King Jr. (4th appearance, last in 2014; 50th anniversary); Evan Mecham (2nd appearance, last in 2013; 30th anniversary); Flag of Hong Kong (3rd appearance, last in 2015); 2013 Thane building collapse (first appearance); William Strachey (first appearance); Maya Angelou (first appearance); Karen Spärck Jones (first appearance)

2019 notes
— howcheng  {chat} 16:42, 4 April 2019 (UTC)
 * Moved to Ineligible: Zulfikar Ali Bhutto (maintenance)
 * Rescued from Ineligible (unused): Microsoft
 * Omitted: Dixie (song); Assassination of Martin Luther King Jr.; Evan Mecham; Flag of Hong Kong; William Strachey; Maya Angelou; Karen Spärck Jones
 * Included: Byzantine–Venetian treaty of 1268 (first appearance); William Henry Harrison (2nd appearance, last in 2017); NATO (13th appearance, last in 2017; 70th anniversary); Jean-Pierre Saint-Ours (first appearance); Philippa Fawcett (first appearance); Xu Lai (actress) (first appearance)
 * Repeats: 2013 Thane building collapse (2nd consecutive appearance, 2 total)

2020 notes
— howcheng  {chat} 21:04, 5 April 2020 (UTC)
 * Moved to Ineligible: Flag of Hong Kong (maintenance)
 * Rescued from Ineligible (unused): Robert III of Scotland
 * Omitted: Byzantine–Venetian treaty of 1268; William Henry Harrison; 2013 Thane building collapse; Jean-Pierre Saint-Ours; Philippa Fawcett; Xu Lai (actress)
 * Included: University of Basel (first appearance); Robert Walpole (5th appearance, last in 2010; rescued from Ineligible); 1975 Tân Sơn Nhứt C-5 accident (first appearance); Angolan Civil War (5th appearance, last in 2017); Elena Glinskaya (first appearance); Maurice de Vlaminck (first appearance); Jonathan Agnew (2nd appearance, last in 2017; 60th birthday)
 * Repeats: NATO (2nd consecutive appearance, 2 total)

2021 notes
— howcheng  {chat} 06:26, 6 April 2021 (UTC)
 * New articles (unused): Alexios I Komnenos (moved from April 5)
 * Omitted: University of Basel; Robert Walpole; NATO; 1975 Tân Sơn Nhứt C-5 accident; Angolan Civil War; Elena Glinskaya; Maurice de Vlaminck; Jonathan Agnew
 * Included: Byzantine–Venetian treaty of 1268 (2nd appearance, last in 2019); William Henry Harrison (5th appearance, last in 2019); Dixie (song) (5th appearance, last in 2018); Microsoft (4th appearance, last in 2012); 2013 Thane building collapse (3rd appearance, last in 2019); Robert III of Scotland (2nd appearance, last in 2017); Jean-Pierre Saint-Ours (2nd appearance, last in 2019); Karen Spärck Jones (2nd appearance, last in 2018)

2022 notes
— howcheng  {chat} 07:38, 5 April 2022 (UTC)
 * Deleted: Robert Walpole (moved to April 3)
 * New articles (ineligible): Martin Rundkvist (TFA for 2022)
 * New articles (unused): Roger Ebert
 * Omitted: Byzantine–Venetian treaty of 1268; William Henry Harrison; Dixie (song); Microsoft; 2013 Thane building collapse; Robert III of Scotland; Jean-Pierre Saint-Ours; Karen Spärck Jones
 * Included: Dmitry Karakozov (first appearance); The Kennel Club (3rd appearance, last in 2016; rescued from Ineligible); 1905 Kangra earthquake (first appearance); NATO (15th appearance, last in 2020); Assassination of Martin Luther King Jr. (7th appearance, last in 2018); William Strachey (2nd appearance, last in 2018; 450th birthday); Pierre Monteux (first appearance); Isaac K. Funk (first appearance)

1974 Super Outbreak must be mentioned in 2024
For the 2024 anniversaries, the 1974 Super Outbreak needs to be mentioned as it is the 50th anniversary of the worst tornado outbreak in history. Anniversary news articles are already coming out days before the anniversary. The Weather Event Writer (Talk Page) 19:47, 30 March 2024 (UTC)