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Largest single donation to a telethon

Largest single donation to a telethon
Who
Saudi state-run television and the Saudi-based Islamic Development Bank
What
500000000 UK pound(s) sterling
Where
Saudi Arabia
When
2004
A telethon for victims of the 2004 tsunami held on Saudi state-run television raised more than $77 million (then approx. £40 million), with the Saudi-based Islamic Development Bank pledged an additional $500 million (then approx. £260 million) for affected countries. The biggest single donation came from Prince Alwaleed bin Talal, who gave $17 million (then approx. £9 million).