<Table> <Tr> <Th_colspan="2"> Greek War of Independence </Th> </Tr> <Tr> <Td_colspan="2"> Clockwise: The camp of Georgios Karaiskakis at Kastella, burning of a Turkish frigate by a Greek fire ship, Ibrahim Pasha of Egypt at the Third Siege of Missolonghi, Battle of Navarino </Td> </Tr> <Tr> <Td_colspan="2"> <Table> <Tr> <Th> Date </Th> <Td> 21 February 1821--12 September 1829 (8 years, 6 months and 3 weeks) </Td> </Tr> <Tr> <Th> Location </Th> <Td> Greece (including Aegean Sea) </Td> </Tr> <Tr> <Th> Result </Th> <Td> <P> Greek independence: </P> <Ul> <Li> Establishment of the First Hellenic Republic (1822--1832) </Li> <Li> Start of the Russo - Turkish War (1828--1829) </Li> <Li> London Protocol </Li> <Li> Treaty of Constantinople </Li> <Li> Establishment of the Kingdom of Greece (1832) </Li> <Li> Start of the First Egyptian - Ottoman War </Li> </Ul> </Td> </Tr> <Tr> <Th> Territorial changes </Th> <Td> <Li> The Peloponnese, Saronic Islands, Cyclades, Sporades and, Continental Greece ceded to the independent Greek state </Li> <Li> Crete ceded to Egypt </Li> </Td> </Tr> </Table> </Td> </Tr> <Tr> <Th_colspan="2"> Belligerents </Th> </Tr> <Tr> <Td> <P> Greek revolutionaries (1821) First Hellenic Republic (from 1822) </P> <P> Supported by: </P> Russian Empire (after 1827) United Kingdom (after 1823) France Haiti </Td> <Td> <P> Ottoman Empire </P> <Ul> <Li> Eyalet of Egypt Beylik of Tunis Regency of Algiers Eyalet of Tripolitania </Li> </Ul> </Td> </Tr> <Tr> <Th_colspan="2"> Commanders and leaders </Th> </Tr> <Tr> <Td> Political: Filiki Eteria Alexandros Mavrokordatos Ioannis Kapodistrias (from 1828) Bishop Germanos III of Old Patras Military: Th . Kolokotronis Alexander Ypsilantis Demetrius Ypsilantis Georgios Karaiskakis † Richard Church Andreas Miaoulis Constantine Kanaris Markos Botsaris † Papaflessas † </Td> <Td> Mahmud II Muhammad Ali Pasha Omer Vrioni Mahmud Dramali Pasha Hursid Pasha Husrev Pasha Reşid Mehmed Pasha Ibrahim Pasha </Td> </Tr> <Tr> <Th_colspan="2"> Casualties and losses </Th> </Tr> <Tr> <Td> est . 25,000 </Td> <Td> est . 20,000 </Td> </Tr> <Tr> <Td_colspan="2"> Civilian deaths: estimated as high as 105,000 </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Greek War of Independence </Th> </Tr>

When did greece become independent from the ottoman empire