DEFINITIVE PROXY STATEMENT

Company

NUVEEN MUNICIPAL HIGH INCOME OPPORTUNITY FUND

Filed

June 27, 2007

Period of Report

July 31, 2007

Accession Number

0000950137-07-009315

A DEF 14A is a proxy statement sent to shareholders before an annual meeting. It covers executive compensation, board elections, and shareholder votes. Learn more about DEF 14A filings →