Complex sentence: His house is one of the most historical places, because he think he is the best in Bangladesh.Also anather most historical place is mosque of "BAITHUL JANNATH" which situated at shakdohochor, halsa, kushtia.
Split into simpler sentences: His house is one of the most historical places, because he thinks he is the best in Bangladesh. Another historical place is the mosque of "BAITHUL JANNATH" which is situated at Shakdohochor, Halsa, Kushtia.