sentences:  This new era of rugby did not occur due to the outbreak of World War I causing the cessation of competitive rugby throughout Wales.One of Senghenydd RFC's most successful periods was during the late 1960s and early 1970s.By the time that the senior team won the Glamorgan County Silver Ball Trophy for the first time during the 1970/71 season they had won the Mid-District Championship four times in the previous five seasons.