Cardinals on August 22nd, 2006. One of the most amazing comebacks the Mets have had.
Stan Musial hit his 400th home run on May 7, 1959, against the Cubs.
carlton baugh
Alex Rodriguez hit his 400th career home run on June 8, 2005 in Milwaukee. He hit it off of relief pitcher Jorge De La Rosa.
Sanjay Manjrekar (India)
There is not 400th element. So far we only have up to element 118: ununoctium
799.
0.0025
799 would be the 400th odd number even if '1' were not the first one.
Ken Griffey Jr. was 30 years old when he hit his 400th home run.
In 2176.
Duke Snider hit his 400th career home run on June 14, 1963 as the Mets ripped the Reds 10-3 in Cincinnati.
we celebrated the 400th anniversary in summer 2008