Declares August 10 as Mexican American Day in the State of Illinois in celebration of the history, identity, achievements, and enduring contributions of Mexican Americans to the State and nation. Encourages residents, educational institutions, community organizations, businesses, and public officials throughout Illinois to observe Mexican American Day by recognizing Mexican American history and contributions and promoting understanding, civic engagement, and opportunity for future generations. Recognizes the North American Institute for Mexican Advancement (NAIMA) and the Village of Melrose Park for their roles in establishing Mexican American Day and launching an observance intended to grow from Illinois to communities throughout the nation.