Timeline 3 for Technology Project #3 By Billyboy1326667 1900 Sanitation reforms Reforms No hogs or cattle with in city along with clean up campaigns water and sewage systems trash collection. Period: 1900 to 1950 1900-1950 1902 Geary Act renewed Renewed for another 10 years and ultimately renewed indefinitely. 1902 First World Series held 1904 Completion of subway running length of Manhattan. 1943 Geary Act repealed in 1943