02.11.1914 The Russian Empire declared war on Ottoman Empire. Though this was minor theater, Russians actively used seaplane tenders and Naval aviation to support active duties against Turkish. Grigorovich M-5
02.11.1947 The first and only flight of gigantic flying boat H-4 Hercules constructed by Howard Hughes. Its went up only on 21 meters and flew about 1 km. The aircraft was piloted Howard Hughes by himself.