1030

1030 (MXXX) was a common year starting on Thursday of the Julian calendar, the 1030th year of the Common Era (CE) and Anno Domini (AD) designations, the 30th year of the 2nd millennium, the 30th year of the 11th century, and the 1st year of the 1030s decade. As of the start of 1030, the Gregorian calendar was 6 days ahead of the Julian calendar, which was the dominant calendar of the time.

• July 29 — Battle of Stiklestad (Norway): Olav Haraldsson loses to the people he ruled and is killed in the fight. The people he lost to were called "pagan" because they were not Christian. Later on, Olav is made a saint and is called the patron saint of Norway and Rex perpetuum Norvegiae ('the eternal king of Norway', or 'King of Norway forever').
• The city of Kaunas in Lithuania is founded.
• The city of Tartu in Estonia is founded. ^[1]
• Thalwil, Switzerland, is talked about for the first time
• Henry I of France fights against his father Robert.

• The Song Dynasty Chinese historian and scholar Ouyang Xiu earned his jinshi degree at the age of 22 by passing the highest level tests in the country. This was his third time to take the test. This degree let him work for the government as a scholar-official.
• Byzantine Emperor Romanus III attacks Syria.
• Masud begins to rule the Ghaznavid Empire after the death of his father Mahmud.

• July 26 — Stanislaus of Szczepanów, Saint Stanislaw (died 1079)
• Baldwin VI, Count of Flanders (died 1070)
• Roger I de Montgomery, Norman nobleman, 1st Earl of Shrewsbury (died 1093)
• Vsevolod I of Kiev (died 1093)

• April 30 — Mahmud of Ghazni
• July 19 — Adalberon, bishop of Laon
• July 29 — King Olaf II of Norway (born 995)
• September 30 — William V, Duke of Aquitaine (born 969)