Historical clue formulations

• Not allowed to go back, say — 2022-01-14
• Like the Dalai Lama since 1959 — 2020-07-25
• Banished — 2018-02-23
• Banished — 2017-03-25
• Banished — 2016-09-10
• Like Victor Hugo when he finished "Les Misérables" — 2009-06-05
• Banished — 2008-06-15
• Kept from home — 2008-03-23
• Cast out of a country — 2005-06-25
• Like the Congo's Mobutu Sese Seko — 1997-09-06
• Banished — 1997-03-08