There have been several financial bubbles throughout history that have had significant impacts on the economy. Some of the biggest financial bubbles include:

1. The Tulip Mania of the 1600s: This was a speculative bubble in the Dutch tulip market that resulted in a dramatic increase in the price of tulip bulbs. The bubble eventually burst, leading to a significant economic downturn.
2. The South Sea Bubble of the 1700s: This bubble occurred in the early 18th century in Great Britain and involved speculation in the stock of the South Sea Company, which had been granted a monopoly on trade with South America. The bubble eventually burst, leading to significant losses for investors.
3. The dot-com bubble of the late 1990s: This bubble involved speculation in the stock of internet-based companies, many of which had no profits or revenues. The bubble eventually burst, leading to a significant decline in the stock market and economic downturn.
4. The housing bubble of the 2000s: This bubble involved speculation in the housing market, which led to a significant increase in housing prices. When the bubble burst, it contributed to the global financial crisis of 2008 and the ensuing economic recession.
5. The cryptocurrency bubble of 2017: This bubble involved speculation in the price of cryptocurrencies, such as Bitcoin, which led to a dramatic increase in their value. The bubble eventually burst, leading to significant losses for investors.