Rotary International downtown Chicago, United States, at Harris's friend Gustave Loehr's office in the Unity Building on Dearborn Street on February 23, 1905. In addition to Harris and Loehr (a mining engineer and freemason), Silvester Schiele (a coal merchant), and Hiram E. Shorey (a tailor) were the other two who attended this first meeting. The members chose the name Rotary because initially they rotated subsequent weekly club meetings to each other's offices, although within a year, the Chicago club became so large it became necessary to adopt the now-common practice of a regular meeting place. The next four Rotary Clubs were organized
Rotary engine on the power of its twinned M-2 rotary engines. Although rotary engines were mostly used in aircraft, a few cars and motorcycles were built with rotary engines. Perhaps the first was the Millet motorcycle of 1892. A famous motorcycle, winning many races, was the Megola, which had a rotary engine inside the front wheel. Another motorcycle with a rotary engine was Charles Redrup's 1912 Redrup Radial, which was a three-cylinder 303 cc rotary engine fitted to a number of motorcycles by Redrup. In 1904 the Barry engine, also designed by Redrup, was built in Wales: a rotating 2-cylinder boxer engine