1571 · Famagusta (City) — In the Cyprus campaign the Ottomans took Famagusta eleven months after Nicosia, on 1 August 1571, after a hard siege.
4 August
1484 · Bilhorod-Dnistrovskyi (City) — Bayezid II took the city from Moldavia on 4 August 1484; with it the entire Black Sea coast came under Ottoman control.
1791 · Smederevo (City) — The Treaty of Sistova of 4 August 1791 returned it to the Ottomans.
6 August
1534 · Tabriz (City) — On Süleyman's campaign of the Two Iraqs the Ottomans entered the city again on 6 August 1534.
1696 · Azov (City) — The Russian army besieged the fortress and took it on 6 August 1696; the Treaty of Constantinople (1700) ceded it to Russia.
7 August
1919 · Erzurum (City) — From 23 July to 7 August 1919 the Erzurum Congress, the first congress of the national struggle, met here.
1920 · Treaty of Sèvres (Treaty) — Principal Allied Powers, British Empire, United Kingdom, Canada, Australia, New Zealand, South Africa, India, France, Italy, Japan, Allied …
1439 · Smederevo (City) — The last capital of medieval Serbia was taken on 27 August 1439 after a three-month siege with cannon.
1672 · Kamianets-Podilskyi (City) — On Mehmed IV's Polish campaign the capital of Podolia was taken on 27 August 1672 after a nine-day siege; the Treaty of Buczacz recognised Ottoman rule.
1922 · Afyonkarahisar (City) — The Great Offensive, commanded by Atatürk himself, began near the city; it was liberated on 27 August 1922.
28 August
1516 · Aleppo (City) — After Selim I's victory at Marj Dabiq (24 August) the city came under Ottoman rule on 28 August 1516.
1920 · Uşak (City) — On 29 August 1920 the Greek army occupied the city.
30 August
1922 · Kütahya (City) — On 30 August 1922 the Turkish army liberated the city.
Dates are given as in the sources; dates before 1582 are mostly Julian. Event dates come from Wikipedia infoboxes, city events from the city articles of the TDV Encyclopedia of Islam.