500 years
500 years
146
50,000
In the last 10 years? None. The last atom bomb was dropped on August 9, 1945.
It depends on the paper and the environment in which it is stored. Acid free paper kept in a dry environment can last hundreds, if not thousands of year. eg Dead Sea Scrolls
One can read archived newspapers for free in many different places. The most popular would be at local libraries that carry archived newspapers, or online websites such as the New York Times.
One.
the Leo last around 2165 years.
The most important thing is to use acid-free paper so it will not corrode. Almost all scrapbooking paper is made to last for many years, so look at your local craft store.
There have been six leap years in the last 25.
i think it last 5-10 years
They easily last 30 to 40 years, if not longer.
4 years
70 in the last 15 years
10 years!
5 years