upright=1.35|thumb|King [[Malcolm III of Scotland (c. 1031–1093)]]
Year 1058 (MLVIII) was a common year starting on Thursday of the Julian calendar.
Events
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By place
Europe
- March 17 – King Lulach ("the Unfortunate") of Scotland is killed in battle against his cousin and rival Malcolm III ("Canmore") who becomes king of the Scots.
- September 20 – Empress Agnes de Poitou and King Andrew I ("the White") of Hungary meet to negotiate about the border zone in Burgenland (modern Austria).
- 4-year-old Judith of Swabia, youngest daughter of the late Henry III, Holy Roman Emperor, is engaged to Prince Solomon of Hungary at Regensburg.
- Norman conquest of southern Italy: Norman forces under Richard Drengot besiege and capture Capua. He takes the princely title from Prince Landulf VIII.
- Bolesław II the Generous, eldest son of Casimir I the Restorer, succeeds his father after his death in Poznań and becomes duke of Poland.
Africa
- The Almoravids conquer the Barghawata, a group of Berber tribes, who have established an independent state in modern-day Morocco.
By topic
Religion
- Spring – Pope Stephen IX pronounces on the authenticity of the relics of Mary Magdalene at Vézelay Abbey in Burgundy, making it a major centre of pilgrimage.
- March 29 – Stephen IX dies of a severe illness after a pontificate of 7 months at Florence. He is succeeded by Nicholas II who will be installed the following year.
- November 6 – Byzantine Emperor Isaac I Komnenos deposes Michael I Cerularius, patriarch of Constantinople, and has him exiled to Prokonnessos (until 1059).
- Ealdred, archbishop of York, becomes the first English bishop to make a pilgrimage to Jerusalem.</onlyinclude>
Births
- Al-Ghazali, Persian theologian and jurist (approximate date)
- Ibn Bassam, Andalusian poet and historian (d. 1147)
- Synadene, queen consort of Hungary (approximate date)
- Theodora Anna Doukaina Selvo, Venetian dogaressa (d. 1083)
- Wynebald de Ballon, Norman nobleman (approximate date)
Deaths
- March 1 – Ermesinde, countess and regent of Barcelona
- March 17 – Lulach ("the Unfortunate"), king of Scotland
