Complex sentence: The name was unpopular with the government of Panama, however, which preferred the name "Bridge of the Americas"; this was made official by a resolution of the National Assembly on October 2,1962, ten days before the inauguration.
Split into simpler sentences: The name was unpopular with the government of Panama, however, which preferred the name "Bridge of the Americas". The Panamanian view was made official by a resolution of the National Assembly on October 2,1962, ten days before the inauguration.