1802(1049) Ioannes Heinlius Lambas of a Grecian ADA better refined the estimated value of the Primum Frigidum to -540 Galerii. Also, ADAs in Syria began revising the ancient tables of chemical elements. The new and expanded format was called the Khemeioa Tabellae. Also this year, studies and excavations of Britannia Sup.’s Stonehenge began. Image:Empire 1809(1056).png Lions and tigers are now effectively extinct. Large bear species in Terranova and north-eastern Europe are becoming endangered.