| Date | Event |
| 24-Nov-09 | AON CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 17-Nov-09 | AON CORP Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhibits |
| 3-Nov-09 | AON CORP Files SEC form 10-Q, Quarterly Report |
| 30-Oct-09 | Aon Corporation Earnings Call scheduled for 8:30 am ET today |
| 30-Oct-09 | AON CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 30-Oct-09 | Earnings announcement |
| 29-Oct-09 | Ex-Date for dividend payment of $0.15 |
| 7-Aug-09 | AON CORP Files SEC form 10-Q, Quarterly Report |
| 4-Aug-09 | AON CORP Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhibits |
| 30-Jul-09 | Aon Corporation Earnings Call scheduled for 8:30 am ET today |
| 30-Jul-09 | AON CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 30-Jul-09 | Ex-Date for dividend payment of $0.15 |
| 1-Jul-09 | AON CORP Files SEC form 8-K, Entry into a Material Definitive Agreement, Creation of a Direct Financial Obligation or |
| 24-Jun-09 | AON CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 8-May-09 | AON CORP Files SEC form 10-Q, Quarterly Report |
| 6-May-09 | AON CORP Files SEC form 8-K, Regulation FD Disclosure, Financial Statements and Exhibits |
| 1-May-09 | AON CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 28-Apr-09 | AON CORP Files SEC form 8-K, Change in Directors or Principal Officers, Financial Statements and Exhibits |
| 25-Mar-09 | AON CORP Files SEC form 8-K, Change in Directors or Principal Officers |
| 2-Mar-09 | AON CORP Files SEC form 10-K, Annual Report |
| 25-Feb-09 | AON CORP Files SEC form 8-K, Regulation FD Disclosure |
| 6-Feb-09 | AON CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |
| 5-Feb-09 | AON CORP Files SEC form 8-K, Entry into a Material Definitive Agreement, Change in Directors or Principal Officers, A |
| 27-Jan-09 | AON CORP Files SEC form 8-K/A, Costs Associated with Exit or Disposal Activities |
| 31-Dec-08 | AON CORP Files SEC form 8-K, Change in Directors or Principal Officers |
| 28-Nov-08 | AON CORP Files SEC form 8-K, Costs Associated with Exit or Disposal Activities, Other Events, Financial Statements an |
| 19-Nov-08 | AON CORP Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 7-Nov-08 | AON CORP Files SEC form 10-Q, Quarterly Report |
| 31-Oct-08 | AON CORP Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exhibits |