<unk> <unk> <unk> <unk> <unk>  Passage: In the early months of 1821, the Greeks declared their independence but did not achieve it until 1829. <unk> Passage: In the early months of 1821, the Greeks declared their independence but did not achieve it until 1829. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ Scores of non-Greeks volunteered to fight for the cause, including Lord Byron.<unk> Scores of non-Greeks volunteered to fight for the cause, including Lord Byron.  Question: When did Greece achieve its ultimate independence?
1829. <unk>