June 20, 2012 7:08 pm Alameda County Fair Turns 100 In many parts of the country, county fairs are being downsized, but not the Alameda County Fair, which is turning 100 years old. US & World Videos 3:39 Watch: East Bay congressman discusses aviation safety bill 1:15 Watch: Breast cancer survivor discusses genetic testing as part of treatment 0:54 Child care center in South SF helps develop early childhood educators 2:06 Kari's forecast: Slight warming 1:53 Bay Area Iranian-American community reacts to Iran president's death