The Zaporozhian Cossacks, also known as the Zaporozhian Cossack Army or the Zaporozhian Host, were Cossacks who lived beyond the Dnieper Rapids. Along with Registered Cossacks and Sloboda Cossacks, Zaporozhian Cossacks played an important role in the history of Ukraine and the ethnogenesis of Ukrainians.
The Zaporozhian Sich was a semi-autonomous polity and proto-state of Cossacks that existed between the 16th to 18th centuries, including as an autonomous stratocratic state within the Cossack Hetmanate for over a hundred years, centred around the Great Meadow region of modern day Ukraine, spanning the lower Dnieper river. In different periods the area came under the sovereignty of the Polish–Lithuanian Commonwealth, the Ottoman Empire, the Tsardom of Russia, and the Russian Empire.
Petro Dorofiiovich Doroshenko was a Cossack political and military leader, Hetman of Right-bank Ukraine (1665–1672) and a Russian voivode.
Ivan Dmytrovych Sirko was a Zaporozhian Cossack military leader, Koshovyi Otaman of the Zaporozhian Host and putative co-author of the famous semi-legendary Cossack letter to the Ottoman sultan that inspired the major painting Reply of the Zaporozhian Cossacks by the 19th-century artist Ilya Repin.
The Battle of Zhovti Vody was the first significant battle of the Khmelnytsky Uprising. Near the site of the present-day city of Zhovti Vody on the Zhovta River in Ukraine, the forces of the Zaporozhian Host and Crimean Khanate under the command of Hetman Bohdan Khmelnytsky, Colonels Mykhailo Krychevsky, Maksym Kryvonis, and Fylon Dzhalaliy with Tugay Bey attacked and defeated the Polish–Lithuanian Commonwealth's forces under the command of Hetman Stefan Potocki and General Stefan Czarniecki, both of them were captured in the battle by the Zaporozhian Cossacks and Crimean Tatars.
The Danubian Sich was an organization of the part of former Zaporozhian Cossacks who settled in the territory of the Ottoman Empire after their previous host was disbanded and the Zaporozhian Sich was destroyed in 1775.
The Cossack raid on Istanbul led by Yakiv Borodavka-Neroda on the capital of the Ottoman Empire as a part of the Cossack Naval Campaigns and the Ottoman–Polish War (1620–1621).
Kost Hordiienko was a Zaporozhian Cossack Kish otaman. After 1709 he allied with Ivan Mazepa, and co-authored the Constitution of Pylyp Orlyk.
The Chortomlyk Sich was a sich founded by Cossacks led by kish otaman Fedir Lutay in the summer of 1652 on the right bank of the Chortomlyk distributary of the Dnieper near the current village of Kapulivka.
The Battle of Sich or Stand on the Sich took place between the Ottoman-Crimean army led by Pasha Kara-Muhammad and the Zaporozhian Cossacks led by Ivan Sirko, on the Lobodukha tract between islands, outside of Sich, in c. June 1680.
The Crimean Campaign took place between the Crimean-Ottoman forces and the Zaporozhian Cossacks together with their allies, during the Zaporozhian Cossack campaign into Crimea, in September 1675.
The Sirko's Campaign was carried out by the Zaporozhian Cossacks led by Ivan Sirko against the Crimean Khanate, Nogai Horde and Ottoman Empire that took place in autumn 1673.
The Right-Bank Uprising was initiated by Right-Bank peasantry, supported by Cossack-Russian troops against Right-Bank Hetman Pavlo Teteria and Poland-Lithuania in January 1664–1665.
The Siege of Azov, in Russian historiography known as Azov sitting or Azov Crisis was a series of conflicts over control of Azov fortress between Don-Zaporozhian Cossacks and Ottoman-Crimean-Nogai forces from 21 April 1637 to 30 April 1642.
The Crimean Campaign took place between the Crimean forces and the Zaporozhian Cossacks, during the Zaporozhian Cossack campaign into Crimea organised by Ivan Sirko, in October 1667.
The Kaffa massacre or Sack of Kaffa took place during the Crimean campaign in October 1667, after Cossack capture of Kaffa and subsequent sacking of it, during which 3,500 Tatar civilians fell victim to the Cossacks.
The Siege of Perekop took place between the Crimean-Ottoman Janissary forces and the Cossack-Russian forces together with their Kalmyk allies, with destruction of Perekop and surrounding settlements, between 11 October to 16 December 1663.
The Battle of Kuialnyk took place between the Zaporozhian Cossacks and Crimean-Budjak-Ottoman Janissary forces, when the Cossacks were returning from their campaign in Wallachia, resulting in Cossack victory and capture of Budjak Murza, at the beginning of 1672.
The Chyhyryn Campaign was launched by the Ottoman-led coalition against the Cossack-Russian defenders of Chyhyryn with the goal of capturing the fortress, from 8 July to 17 August 1678.
The Crimean Campaign was launched by the Zaporozhian Ataman Bohdan Ruzhynsky jointly with Don Cossacks against the Crimean Khanate, on September 1575.
Zaporozhian Cossacks 
Ottoman Empire 
Crimean Khanate