Usually all of human (or homo) history.
Shepard's Freedom 7 flight which made him the first American to enter space lasted 15 minutes 28 seconds. Shepard's Apollo 14 mission to the moon lasted 9 days, 1 minute, 58 seconds.
Depending on the number of leap years in the period (14 or 15), there will be 1893369600 or 1893456000 seconds - plus any leap seconds which may be added.
There were 85 tornadoes confirmed on April 14, 2012.
71 days, 14 hours, 18 minutes, 33 seconds.
The last mission of the Apollo program was Apollo 17 in December, 1972. The last man to walk on the Moon during Apollo was Eugene "Gene" Cernan, on December 14, 1972.
14 seconds
Lunar Jim - 2006 Cosmic Kite 1-14 is rated/received certificates of: Australia:G
494 seconds.
494 seconds.
60 seconds in one minute. 60 minutes/3600 seconds in one hour 24 hours/86400 seconds in one day (I'll use 365.24 days in a year) 365.24 days/31556736 seconds in one year 14 years/441794304 seconds in 14 years. There are ~441,794,304 seconds in 14 years.
2 hours 14 minutes = 8040 seconds
441,796,964 seconds.
There are 1209600 seconds.
441,796,964 seconds.
840 seconds.
14 minutes, 16 seconds.
The answer is 14 400 seconds.