️ Complete the following sentence: These voluntary contributions were often very large. Sometimes the more wealthy citizens voluntarily undertook a "trierarchy", or the expenses of equipping a trireme.<unk> Sometimes the more wealthy citizens voluntarily undertook a "trierarchy", or the expenses of equipping a trireme. ️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️<unk>️ <unk> <unk> <unk> <unk>
Battle of Thebes; Aristophanes, son of Nicophemus gave 30,000 drachmae for an expedition against Cyprus; Charidemus and Diotimus, two commanders, made a free gift of 800 shields; and similar instances of liberality are mentioned by German classical scholar August Böckh, from whom the preceding examples have been taken.