| 97892135573589a574872aa7 | event | -153 | 1 | 1 | 153 BCE-01-01 | For the first time, Roman consuls begin their year in office on January 1. | Roman_consul | https://en.wikipedia.org/wiki/Roman_consul | 1 | current curated Wikimedia On This Day record |
| 315bc41c43a8957c5b993033 | event | -45 | 1 | 1 | 45 BCE-01-01 | The Julian calendar takes effect as the civil calendar of the Roman Republic, establishing January 1 as the new date of the new year. | Julian_calendar | https://en.wikipedia.org/wiki/Julian_calendar | 1 | current curated Wikimedia On This Day record |
| f9fe4fe2d9edc597af404c80 | event | -42 | 1 | 1 | 42 BCE-01-01 | The Roman Senate posthumously deifies Julius Caesar. | Roman_Senate | https://en.wikipedia.org/wiki/Roman_Senate | 3 | current curated Wikimedia On This Day record |
| a812fa72cafb437ef844624f | death | 138 | 1 | 1 | 138-01-01 | Lucius Aelius, adopted son and intended successor of Hadrian (born 101) | AD_138 | https://en.wikipedia.org/wiki/AD_138 | 3 | current curated Wikimedia On This Day record |
| 92c91ba621302df5cbb48ae1 | event | 193 | 1 | 1 | 193-01-01 | The Senate chooses Pertinax against his will to succeed Commodus as Roman emperor. | AD_193 | https://en.wikipedia.org/wiki/AD_193 | 4 | current curated Wikimedia On This Day record |
| ac79579421f39a40cf8595c3 | death | 404 | 1 | 1 | 404-01-01 | Telemachus, Christian monk and martyr | AD_404 | https://en.wikipedia.org/wiki/AD_404 | 2 | current curated Wikimedia On This Day record |
| b9ed3d9aab0d6c169522dcda | event | 404 | 1 | 1 | 404-01-01 | Saint Telemachus tries to stop a gladiatorial fight in a Roman amphitheatre, and is stoned to death by the crowd. This act impresses the Christian Emperor Honorius, who issues a historic ban on gladiatorial fights. | AD_404 | https://en.wikipedia.org/wiki/AD_404 | 6 | current curated Wikimedia On This Day record |
| b1f6e185be18563c9a1fdc72 | event | 417 | 1 | 1 | 417-01-01 | Emperor Honorius forces Galla Placidia into marriage to Constantius, his famous general (magister militum) (probable). | Honorius | https://en.wikipedia.org/wiki/Honorius | 4 | current curated Wikimedia On This Day record |
| e805fe38029ef5b366e12059 | birth | 766 | 1 | 1 | 766-01-01 | Ali al-Ridha, 8th Imam of Twelver Shia Islam (died 818) | Ali_al-Rida | https://en.wikipedia.org/wiki/Ali_al-Rida | 4 | current curated Wikimedia On This Day record |
| fbbd9a72dbb98a4453eea437 | death | 898 | 1 | 1 | 898-01-01 | Odo I, Frankish king (born 860) | Odo_of_France | https://en.wikipedia.org/wiki/Odo_of_France | 1 | current curated Wikimedia On This Day record |
| c96914dd8d42a82ace70e05b | event | 947 | 1 | 1 | 947-01-01 | Emperor Taizong of the Khitan-led Liao dynasty captures Daliang, ending the dynasty and empire of the Later Jin. | Emperor_Taizong_of_Liao | https://en.wikipedia.org/wiki/Emperor_Taizong_of_Liao | 5 | current curated Wikimedia On This Day record |
| 5ea980293b5470ba7daa41d0 | death | 951 | 1 | 1 | 951-01-01 | Ramiro II, king of León and Galicia | Ramiro_II_of_León | https://en.wikipedia.org/wiki/Ramiro_II_of_Le%C3%B3n | 1 | current curated Wikimedia On This Day record |
| db095b415a2b2ececd1902e1 | event | 1001 | 1 | 1 | 1001-01-01 | Grand Prince Stephen I of Hungary is named the first King of Hungary by Pope Sylvester II (probable). | Stephen_I_of_Hungary | https://en.wikipedia.org/wiki/Stephen_I_of_Hungary | 3 | current curated Wikimedia On This Day record |
| dda00772d05eeff0a31a66a8 | death | 1031 | 1 | 1 | 1031-01-01 | William of Volpiano, Italian abbot (born 962) | William_of_Volpiano | https://en.wikipedia.org/wiki/William_of_Volpiano | 1 | current curated Wikimedia On This Day record |
| 3357db167c19b6db0361cc43 | event | 1068 | 1 | 1 | 1068-01-01 | Romanos IV Diogenes marries Eudokia Makrembolitissa and is crowned Byzantine Emperor. | Romanos_IV_Diogenes | https://en.wikipedia.org/wiki/Romanos_IV_Diogenes | 3 | current curated Wikimedia On This Day record |
| 271c421f818890c66b080cac | death | 1189 | 1 | 1 | 1189-01-01 | Henry of Marcy, Cistercian abbot (born c. 1136) | Henry_of_Marcy | https://en.wikipedia.org/wiki/Henry_of_Marcy | 1 | current curated Wikimedia On This Day record |
| f1592cbf9595d4cf7a4d21a2 | death | 1204 | 1 | 1 | 1204-01-01 | Haakon III, king of Norway (born 1182) | Haakon_III | https://en.wikipedia.org/wiki/Haakon_III | 1 | current curated Wikimedia On This Day record |
| ac8ccfcdad6fd4f72cf5b028 | event | 1259 | 1 | 1 | 1259-01-01 | Michael VIII Palaiologos is proclaimed co-emperor of the Empire of Nicaea with his ward John IV Laskaris. | Michael_VIII_Palaiologos | https://en.wikipedia.org/wiki/Michael_VIII_Palaiologos | 3 | current curated Wikimedia On This Day record |
| 7a8b9327176cd482ed29e160 | death | 1387 | 1 | 1 | 1387-01-01 | Charles II, king of Navarre (born 1332) | Charles_II_of_Navarre | https://en.wikipedia.org/wiki/Charles_II_of_Navarre | 1 | current curated Wikimedia On This Day record |
| 4a112a495103b067535179d8 | birth | 1431 | 1 | 1 | 1431-01-01 | Pope Alexander VI (died 1503) | Pope_Alexander_VI | https://en.wikipedia.org/wiki/Pope_Alexander_VI | 1 | current curated Wikimedia On This Day record |
