History
The Rule Against Perpetuities in Property Law
Quick fact
A famous application of the Rule Against Perpetuities invalidated a bequest to 'my descendants who are living 100 years after my death'—because that could vest beyond a life in being plus 21 years, the law declared it void.
Why this is interesting
You might think you can leave your house to whoever you want, whenever you want—but what if you tried to give it to your 'future grandchildren'? The law would actually stop you, and here's why.