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)
S. D. Gunadasa S. D. Gunadasa Sri Lanka Sikhamani Sunna Deniya Gunadasa (5 September 1931 – 6 July 2014) (known as S. D. Gunadasa or Dasa Mudalali) was a Sri Lankan business magnate who brought the concept of the supermarket to Sri Lanka in 1977. He later became a garment manufacturer in Sri Lanka, and subsequently the Chairman and founder of DASA Group. Gunadasa was born in the village of Talalla Gandara in Matara, the youngest of the three sons. In his early years, Gundasa was educated at a local village school in Gandara. Influenced by his mother's organising and delegation skills, he