Timeline of the San Francisco Bay Area Gate across the bay<br> Atherton is incorporated in San Mateo County<br> California Memorial Stadium "(pictured, right)" opens in Berkeley, as the home field for the California Golden Bears football team of the University of California, Berkeley<br> The East Bay Municipal Utility District is formed to provide water and sewage treatment services to the East Bay<br> The San Francisco Opera Ballet gives its first performance, of "La bohème" "(pictured, left)", with Queena Mario and Giovanni Martinelli, conducted by founder Gaetano Merola, at the San Francisco Civic Auditorium 1924 1925 The heated, saltwater Fleishhacker Pool in San Francisco opens "(pictured, left)"<br> The
Castro District, San Francisco of their sexuality. Many settled in the Bay Area, San Francisco and Sausalito. In San Francisco, an established gay community had begun in numerous areas including Polk Street (which used to be regarded as the city's gay center from the 1950s to the early 1980s), the Tenderloin and South of Market. The 1950s saw large amounts of families moving out of the Castro to the suburbs in what became known as the "White flight", leaving open large amounts of real estate and creating attractive locations for gay purchasers. By 1963, the Castro's first gay bar was opened called the "Missouri