| 46711 | April 22 | Death | 2013 – Mike Smith, English footballer (b. 1935) |
| 46712 | April 22 | Death | 2013 – Robert Suderburg, American pianist, composer, and conductor (b. 1936) |
| 46713 | April 22 | Death | 2013 – J. S. Verma, Indian judge, 27th Chief Justice of India (b. 1933) |
| 46714 | April 22 | Death | 2014 – Allen Jacobs, American football player and coach (b. 1941) |
| 46715 | April 22 | Death | 2014 – Jovan Krkobabić, Serbian politician, Deputy Prime Minister of Serbia (b. 1930) |
| 46716 | April 22 | Death | 2014 – Mohammad Naseem, Pakistani-English activist (b. 1924) |
| 46717 | April 22 | Death | 2014 – Werner Potzernheim, German cyclist (b. 1927) |
| 46718 | April 22 | Death | 2014 – Oswaldo Vigas, Venezuelan painter (b. 1926) |
| 46719 | April 22 | Death | 2015 – Dick Balharry, Scottish environmentalist and photographer (b. 1937) |
| 46720 | April 22 | Death | 2015 – Dorothy Custer, American comedian (b. 1911) |
| 46721 | April 22 | Death | 2015 – Charles Scott, American lawyer, judge, and politician (b. 1947) |
| 46722 | April 22 | Death | 2015 – Gennadi Vengerov, Belarusian-Russian actor (b. 1954) |
| 46723 | April 22 | Holiday and observance | Christian feast day:Acepsimas of Hnaita and companions (Catholic Church)Epipodius and AlexanderJohn Muir (Episcopal Church)Hudson Stuck (Episcopal Church)April 22 (Eastern Orthodox liturgics) |
| 46724 | April 22 | Holiday and observance | Discovery Day (Brazil) |
| 46725 | April 22 | Holiday and observance | Earth Day and its related observances:International Mother Earth Day (International) |
| 46726 | April 23 | Event | 215 BC – A temple is built on the Capitoline Hill dedicated to Venus Erycina to commemorate the Roman defeat at Lake Trasimene. |
| 46727 | April 23 | Event | 599 – Maya king Uneh Chan of Calakmul attacks rival city-state Palenque in southern Mexico, defeating queen Yohl Ik'nal and sacking the city. |
| 46728 | April 23 | Event | 711 – Dagobert III is crowned King of the Franks. |
| 46729 | April 23 | Event | 1014 – Battle of Clontarf: Brian Boru defeats Viking invaders, but is killed in battle. |
| 46730 | April 23 | Event | 1016 – Edmund Ironside succeeds his father Æthelred the Unready as king of England. |
| 46731 | April 23 | Event | 1343 – St. George's Night Uprising commences in the Duchy of Estonia. |
| 46732 | April 23 | Event | 1348 – The founding of the Order of the Garter by King Edward III is announced on St. George's Day. |
| 46733 | April 23 | Event | 1516 – The Bayerische Reinheitsgebot (regarding the ingredients of beer) is signed in Ingolstadt. |
| 46734 | April 23 | Event | 1521 – Battle of Villalar: King Charles I of Spain defeats the Comuneros. |
| 46735 | April 23 | Event | 1635 – The first public school in the United States, Boston Latin School, is founded in Boston. |
| 46736 | April 23 | Event | 1655 – The Siege of Santo Domingo begins during the Anglo-Spanish War, and fails seven days later. |
| 46737 | April 23 | Event | 1660 – Treaty of Oliva is established between Sweden and Poland. |
| 46738 | April 23 | Event | 1661 – King Charles II of England, Scotland and Ireland is crowned in Westminster Abbey. |
| 46739 | April 23 | Event | 1815 – The Second Serbian Uprising: A second phase of the national revolution of the Serbs against the Ottoman Empire, erupts shortly after the annexation of the country to the Ottoman Empire. |
| 46740 | April 23 | Event | 1910 – American President Theodore Roosevelt makes his "The Man in the Arena" speech. |