2009 | Perak | 2009 in music | Suez Crisis | Avatar (2009 film) | American Recovery and Reinvestment Act of 2009 | New Jersey gubernatorial election, 2009 | Cuban Missile Crisis | 1973 oil crisis | Eurovision Song Contest 2009 | Cuban missile crisis | Center for Constitutional Rights | Constitutional Court | 2009 Summer Universiade | Iran hostage crisis | 2009 UCI Track Cycling World Championships | 2009 NFL season | Final Crisis | Crisis on Infinite Earths | 2009 World Championships in Athletics | 1975 Australian constitutional crisis | European Parliament election, 2009 | 2009 Southeast Asian Games | 2009 WTA Tour | 2009 ATP World Tour | United Football League (2009) | International Crisis Group | 2009 United Nations Climate Change Conference | 2009 in literature | 2009 flu pandemic |
Sivakumar's tenure as speaker was shrouded in controversy surrounding his handling of the 2009 Perak constitutional crisis, where the opposition Barisan Nasional managed to obtain three defections from the elected government, enabling Barisan Nasional under Zambry Abdul Kadir to form the new government.