41.   China and the Soviet Union once skirmished along the border as part of a bitter ideological rivalry which spanned three decades.

42.   China and the Soviet Union skirmished along the border during the three decades when they were split by bitter ideological rivalry.

43.   Dozens of militants, however, have died in bitter intergroup rivalries over the future of the island.

44.   Despite a common goal to oust Milosevic, the Serb opposition remains fractured and plagued by bitter personal rivalries.

45.   England and Germany have been locked in a bitter rivalry to win the right to stage the biggest event in sports after the Olympics.

46.   Fans of the two teams have a tradition of bitter rivalry.

47.   Florentine and Salerno fans have a history of bitter rivalry and were following the match in separated sectors.

48.   For decades, China and Russia engaged in bitter rivalry for the loyalties of the socialist world.

49.   General elections set for mid-June are aggravating the already bitter rivalry among Czech politicians.

50.   In the most bitter rivalry in French soccer, Paris Saint-Germain visits Marseille on Sunday backed by its own fans for the first time in five years.