May 6th 1991
Harry Gant, aged 51, broke his own record to become the oldest man to win a NASCAR race when he won the Winston 500 in Talladega.
May 6th 1994
French President Mitterrand and Queen Elizabeth II jointly open the Channel Tunnel linking Britain and France underneath the English Channel. Eurotunnel Shuttle service, a roll-on roll-off shuttle service is used to transport road vehicles including freight lorries from France to UK and vice-versa.
Source:
The History Channel
harrygant.com
Wikipedia