Please check back often as this is regularly updated. 1  Rim Exit Devices. 2  Rim Device: This type is used on single doors or pairs of doors that have a vertical mullion (either removable or fixed) in between the doors. The strike plate is surface mounted on the frame (or mullion).
Mikhail Gorbachev was the last General Secretary of the Soviet Union. He brought about massive economic, social, and political changes and helped bring an end to both the Soviet Union and the Cold War.
On March 11, 1985 Mikhail Gorbachev became the General Secretary of the Soviet Union. When Gorbachev took over as leader, the Soviet economy was struggling. He wanted to reform the economy as well as the government.