Complex sentence: Singapore; 1953 These 3 princes was later mark as the starter for the next 3 big kingdom in Malay Archipelago which is the Kingdom of Majapahit, The Malacca Sultanate era and the Pagaruyung Kingdom around the 12th century.
Split into simpler sentences: Singapore; 1953 These 3 princes was later mark as the spark point for the kickstart on the next 3 big empires in Malay Archipelago. Those empires were the Kingdom of Majapahit, The Malacca Sultanate and the Pagaruyung Kingdom around the 12th century.