History of the world's tallest buildings to be tall, but its true height is not known. For thousands of years, the Great Pyramid in Egypt was the tallest "structure" in the world, but the Great Pyramid is not considered a building since it is not habitable. The earliest structures now known to be the tallest in the world were the Egyptian pyramids, with the Great Pyramid of Giza, at an original height of , being the tallest man-made structure in the world for over 3,800 years, until the construction of Lincoln Cathedral in 1300. From then until the completion of the Washington Monument (capped in 1884)
D. S. Senanayake Central College are placed in one of four houses according to their admission number. They compete in annual inter-house competitions. D. S. Senanayake Central College D. S. Senanayake Central College (Sinhala: ඩී.ඇස්. සේනානායක විද්යාලය - මීරිගම) is located in Mirigama. On 19 February 1951 Hon. Minister D.S. Senanayake laid the foundation stone for the school on a site, near the Mirigama railway station. The venerable Weweldeniye Medhalankara Thero took the initiative to establish this school and provide higher education for the students in the area. The school was established with a two storey building and other facilities, with an enrolment of 600