| 143rd New York State Legislature | |||||
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 New York State Capitol (2009) | |||||
| Overview | |||||
| Legislative body | New York State Legislature | ||||
| Jurisdiction | New York, United States | ||||
| Term | January 1 – December 31, 1920 | ||||
| Senate | |||||
| Members | 51 | ||||
| President | Lt. Gov. Harry C. Walker (D) | ||||
| Temporary President | J. Henry Walters (R) | ||||
| Party control | Republican (30–21) | ||||
| Assembly | |||||
| Members | 150 | ||||
| Speaker | Thaddeus C. Sweet (R) | ||||
| Party control | Republican (110–35–5) | ||||
| Sessions | |||||
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The 143rd New York State Legislature, consisting of the New York State Senate and the New York State Assembly, met from January 7 to September 1920, during the second year of Al Smith's governorship, in Albany.