1950

Orthodox Friends reunite with Hicksites to form Sandy Spring Friends United; Brooke Grove Foundation established as county's first licensed group home for elderly

1952

First plat recorded in Williamsburg Village, one of the earliest subdivisions in an oncoming tide

1954

New building replaces original Sherwood High; Olney Elementary School opens

1957

Integration begins at Sherwood, four black students enroll; St. Peter's Catholic Church builds parish hall and school on Route 108 in Olney

1961

Sandy Spring Friends School founded by S. Brook Moore

1963

Bank opens first branch office, at Coleville; Ashton resident Sam Rice, former fielder for Washington Senators, inducted in Baseball Hall of Fame

c.1964

St. John's Episcopal Parish School opens in Olney

1965

First plat recorded in Olney Mill subdivision, the neighborhood's largest

1967

Sandy Spring Friends House opens as retirement community