How one family helped overturn racial segregation in schools in California.
BBC World Service
Soviet troops crushed a mass demonstration in Georgia's capital Tbilisi on 9 April,1989
2/5 People of all ages reflect on their love of this simple song, made famous by Patsy Cline.
BBC Radio 4
Investigating global developments, issues and affairs.
2/2 Podcasters Helen Zaltzman and Olly Mann trace the origins of on-demand radio.
American scientists announced they had an effective vaccine against polio in April 1955
Can a unique friendship between two men end the killings in the Central African Republic?
Communism vies with the Catholic church in Italy's postwar comic creation, Don Camillo.
In April 1979 the brutal Ugandan ruler, Idi Amin, was ousted by invading Tanzanian forces
Chris Mullin investigates what really happens to our rubbish.