Complex sentence: Although diplomatic relations between the Philippines and Poland were established on September 22,1973, diplomatic relations were originally conducted via the Philippine Embassy in the Hague, which originally maintained jurisdiction over Poland until 1982, when jurisdiction was later transferred to the Philippine Embassy in Berlin.
Split into simpler sentences: Although diplomatic relations between the Philippines and Poland were established on September 22,1973, the Philippines did not initially open a resident embassy in Poland. Diplomatic relations between the two countries were originally conducted via the Philippine Embassy in the Hague, which originally maintained jurisdiction over Poland until 1982, when jurisdiction was later transferred to the Philippine Embassy in Berlin.