|1937||She was born in Yamagata Prefecture.|
|1969||She studied under Tanaka Kaiyan|
|1989||Musashino Imperial mausoleum (Emperor Showa) entrance calligraphy|
|1993||The 4th private calligraphy exhibition of Shimada Tousui (previous name) (Ginza Kyukyodo)|
|2000||DVD "Shimada Tousui , "Slow silent & bursting brush strokes". The world of art series.|
|2001||Tanaka Kaian and Shimada Tousui calligraphy exhibition (Ginza Kanematsu Hall)|
|2003||The 5th private exhibition (Nuremburg, German)|
|2009||Shimada Tousui changed her name to Shimada Saiso
The 7th private exhibition (Paris, France)
The 1st overseas workshop (Paris, France)
The 1st overseas demonstration of calligraphy and modern dance with Moeno Wakamatsu (Paris, France)
|2010||Two pieces of calligraphy (hanging scrolls) donated to Naigu, Ise Shrine.
June The 8th private exhibition (50th wedding anniversary commemoration exhibition with haiku, Ginza Sam Hall) 6.21～6.27
The 2nd overseas demonstration of calligraphy and modern dance with Moeno Wakamatsu (Paris, France)
The 2nd overseas workshop (Normandy, France)
Produced DVD "Studies of calligraphy by Saiso Shimada"
|2011||The 9th private exhibition (Normandy, France and Athens, Greece)
The 3rd overseas workshop (Normandy, France and Athens, Greece)
|2012||February - Great east Japan earthquake reconstruction charity lecture "Beginning calligraphy" (Chiba and Ichikawa)
June 10th - Donated calligraphy to Saiyo temple, Kanazawa City.
Works given to : Beijing Palace Museum / British Library / Türk Japon Vakfı Kültür Merkezi/ German goodwill association/
Ukraine National Gallery / Lianyungang museum
Currently : Mainichi calligraphy exibition judge / Chiba prefecture calligraphy associate member / Hakusuikai calligraphy association manager