Why did the Greek independence end?

The Greek War of Independence, which began in 1821, effectively ended with the establishment of Greece as a sovereign state in 1830, following the intervention of major European powers like Britain, France, and Russia. The conflict concluded with the Treaty of London, which recognized Greece's independence from the Ottoman Empire. Internal strife and power struggles continued in Greece after independence, but the war itself came to an end as Greece gained territorial recognition and support from the international community.