All of this has happened before.
All of this will happen again."
- The Pythian prophecy

1993

February
March

1995

June
July
September
October

1996

January
March
April

1997

July
September

1999

December

2001

January
December

2004

April
June
November

2005

April
May
June
July
August
September
October
November
December

2006

January
February
March
April
May
June
July
August
September
October
November
December

2007

January
February
March
April
May
June
July
August
September
November
December

2008

January
February
March
April
May
June
July
August
September
October
October (b)
November
December

2009

January
February
March
April
May
June