What happened on April 29 ?

International Dance Day.

Japan (public holiday since 1927, traditionally the start of the Golden Week holiday period.) The Emperor's Birthday (1927-1988. Holiday of Emperor Hirohito's birthday until his death in 1989).

Greenery Day (1989-2006).

Sh?wa Day (2007 - Day of Showa period, which is reigned by Emperor Hirohito)

Roman Empire - second day of the Floralia in honor of Flora.

Bahá'í Faith - The ninth day of the Festival of Ridván.

Saint Catherine of Siena

Saint Robert Blessed Robrecht Gruuthuuse (d.1157)

Saint Wilfred the Younger

Saint Peter of Verona

Saint Hugh of Cluny