Oregon State Senate
Upper house of Oregon's legislature
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| 2025 | The 82nd Oregon Legislative Assembly's regular session is scheduled to conclude, with leadership including James Manning Jr. as President Pro Tempore and Daniel Bonham as Minority Leader. |
| 2025 | 83rd Oregon State Senate Assembly begins with 18 Democratic, 12 Republican, and 0 Independent members, maintaining a total of 30 seats. |
| 2023 | 82nd Assembly begins with a composition of 17 Democratic members, 11 Republican members, 1 Independent Republican, and 1 Independent Party member. |
| 2023 | Kathleen Taylor assumes the role of Majority Leader, representing District 21 (Portland). |
| 2023 | Daniel Bonham takes on the role of Minority Leader, representing District 26 (The Dalles). |
| 2023 | Rob Wagner becomes Senate President for the 82nd Legislative Assembly, representing District 19 (Lake Oswego). |
| 2023 | James Manning Jr. continues as President Pro Tempore, representing District 7 (Eugene). |
| 2023 | 82nd Oregon State Senate Assembly begins with 17 Democratic, 11 Republican, 1 Independent Representative, and 1 Independent Party member, maintaining a total of 30 seats. |
| 2023 | James Manning Jr. is appointed President Pro Tempore, representing District 7 (Eugene). |
| 2022 | Oregon Ballot Measure 113 was passed to disqualify legislators with ten unexcused absences from serving in the legislature following their current term, addressing repeated Republican senator walkouts. |
| April 2021 | Further changes in the Oregon State Senate composition occurred, reducing Democratic members to 10 with 1 Republican member. |
| April 2021 | During the 81st Assembly, the composition shifts to 10 Democratic members and 1 Independent Representative. |
| January 15 2021 | 81st Oregon State Senate Assembly begins with significant changes, initially showing 18 Democratic, 12 total seats, and 0 Independent members. |
| January 15 2021 | Transition to the 81st Assembly begins, with significant changes in senate composition including 11 Democratic senators and 1 Independent Representative as of January 15. |
| 2019 | 80th Oregon State Senate Assembly begins with 18 Democratic, 12 Republican, and 0 Independent members, maintaining a total of 30 seats. |
| 2018 | Rob Wagner assumes office representing District 19 as a Democratic senator. |
| 2017 | James Manning Jr. assumes office representing District 7 (Eugene), and Kathleen Taylor assumes office representing District 21 (Portland). |
| 2017 | 79th Oregon State Senate Assembly begins with 17 Democratic, 13 Republican, and 0 Independent members, maintaining a total of 30 seats. |
| 2015 | 78th Oregon State Senate Assembly begins with 18 Democratic, 12 Republican, and 0 Independent members, maintaining a total of 30 seats. |
| 2013 | 77th Oregon State Senate Assembly begins with 16 Democratic, 14 Republican, and 0 Independent members, maintaining a total of 30 seats. |
| 2011 | 76th Oregon State Senate Assembly begins with 16 Democratic, 14 Republican, and 0 Independent members, maintaining a total of 30 seats. |
| 2010 | End of 75th Oregon State Senate Assembly, with 18 Democratic, 12 Republican, and 0 Independent members, maintaining a total of 30 seats. |
This contents of the box above is based on material from the Wikipedia article Oregon State Senate, which is released under the Creative Commons Attribution-ShareAlike 4.0 International License.