260
The Gallic Empire was founded in AD 260 when Britain became part of a breakaway empire when Roman General Postumus rebelled, setting up his own small empire in Britain and Gaul.
The Gallic Empire AD 260 - 274
Darned right, the Gallic Empire founded in 260.
I oughta know. I was in 261 and the racket they made kept me awake all night !!!
262-- Yet another palindrome.
Also, if I gained exactly 80 pounds I would wiegh 262lbs!
263 years ago the English attacked St. Augustine
http://www.flausa.com/destinations/location.php/location=ci-sag
264 B.C. - Beginning of the First Punic War.
I swear I didn’t do this on purpose.
          265
265 is a semi-prime - the product of 2 primes
          265 = 53 * 5
266 Mhz processor
267 years ago, James Watt was born.
http://level2.phys.strath.ac.uk/ScienceOnStreets/jameswatt.html
268 years ago, Paul Revere and John Adams were born.
- The number of words in the Gettysburg Address.
The 270 Offenhauser was a legendary Indy racing engine.
2+7+1 = a perfect 10
Daniel DeFoe died 272 years ago.
The legendary Chrysler 273 engine.
274
  56 = 274
148 = 274
  28 = 74
  31 = 27+4
  11=7+4
274 TOTAL
Clinic 275, an Australian STD clinic.
          276
276 is the 23rd triangular number.
276 is the sum of the integers 1 through 23.
277
          277 is the 59th prime number.
278 days until may 18, 2004
279 -> Michael Kennedy’s address on Mass Ave in Arlington, MA