# Historical anniversaries in Greece and globally

> Live situation record from CLSTR: https://clstr.news/situations/historical-anniversaries-in-greece-and-globally
> Updated: 2026-09-13T02:55:33.000Z. Sources: 6. Developments: 2.

The provided records document various historical milestones and anniversaries associated with the dates of September 12 and September 13, with a particular focus on Greek history.

Events noted on September 12 include the 1829 Battle of Petra during the Greek Revolution, a 1948 aircraft hijacking involving EPON members, a 2013 attack by Golden Dawn members in Perama, and political advocacy regarding private universities in 2016. Global figures such as Dmitri Shostakovich, Jesse Owens, and Steve Biko are also commemorated.

September 13 milestones include the Byzantine victory at the Battle of Decimum in 533, the 1922 destruction of Smyrna, and diplomatic efforts between Greek Prime Minister Eleftherios Venizelos and Turkish Prime Minister İsmet İnönü in 1928. Other significant occurrences include the 1959 European Cup debut of Olympiacos, the 1965 release of the Beatles’ ‘Yesterday’, and the 1986 Kalamata earthquake.

## Claims

- In 533, the Byzantine general Belisarius defeated the Vandals under Gelimer at the Battle of Decimum in North Africa. (corroborated by 3 sources)
- A 6.5 magnitude earthquake struck Kalamata in 1986, causing 35 deaths. (corroborated by 2 sources)
- In 1928, Greek Prime Minister Eleftherios Venizelos sent a letter to Turkish Prime Minister İsmet İnönü requesting a peaceful resolution to outstanding issues. (corroborated by 2 sources)
- The Beatles released the song ‘Yesterday’ in 1965. (corroborated by 2 sources)
- In 1959, Olympiacos played its first European Cup match, resulting in a 2-2 draw against AC Milan. (corroborated by 2 sources)
- The destruction of Smyrna began in 1922, resulting in over 50,000 deaths and 75,000 injuries. (single source)

## Timeline

### 2026-09-13: Historical anniversaries of September 13

Historical commemorations for September 13 include the Battle of Decimum, the 1922 destruction of Smyrna, the 1986 Kalamata earthquake, and various cultural milestones.

4 sources. https://clstr.news/cluster/historical-anniversaries-of-september-13

### 2026-09-12: Greece: Historical milestones and global anniversaries on September 12

A review of historical events occurring on September 12, including the Battle of Petra, Greek political milestones, and the births or deaths of notable global figures.

3 sources. https://clstr.news/cluster/greece-historical-milestones-and-global-anniversaries-on-september-12

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Cite as: Historical anniversaries in Greece and globally. CLSTR, https://clstr.news/situations/historical-anniversaries-in-greece-and-globally